(Please note that these translations may not include the most current permit fees.)
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Experience-related questions
- What type of experience is needed to climb Mount McKinley?
- Do I have to use a guide service?
- What type of shape do I need to be in?
- How can I prepare myself for climbing at altitude? Should I take altitude medications?
Route questions
Weather questions
Equipment questions
NPS policies and other questions
- What will happen if I need to be rescued?
- Do I need to bring something to use to remove my human waste?
- Is there someone I can talk to about climbing Mount McKinley?
Questions specific to the Muldrow Glacier route
- Is it currently possible to climb the Muldrow Glacier route?
- If I am climbing the Muldrow Glacier route, do I still need to check in at the Talkeetna Ranger Station?
- When do buses start running to Wonder Lake?
- How can I get to Wonder Lake when the bus is not running?
- How can I get my gear out there?
- For a Muldrow climb, do I need a backcountry permit as well as a climbing permit?
- Can our group traverse from the Muldrow Glacier to the West Buttress route, or vice versa?
Registration questions
Orientation questions
Frequently Asked Questions About Climbing Mount McKinley
Q: (E1) What type of experience is needed to climb Mount McKinley?
A: Climbing Mount McKinley is a very serious undertaking and should be treated as such. We recommend climbers make numerous ascents of other glaciated peaks in places like Alaska, the Cascades of Washington, the European Alps, South America, or Asia to prepare for this climb. Because glacier travel is such a huge component of climbing Mount McKinley, it is imperative to your safety and survival that your team is skilled with proper glacier travel, route finding, and crevasse rescue procedures. Mount McKinley is an expedition, meaning that the mountain is almost always a multi-week endeavor, which is very different than an overnight or even multi-day climb. All team members should have previous experience in the "expedition environment." Also, Mount McKinley is a very cold place. Experience with winter camping in arctic type conditions is extremely valuable and should be considered mandatory. Last but not least, Mount McKinley is a high mountain, and some previous experience with altitude and acclimatization is very helpful. Many of the guide services that operate on Mount McKinley offer preparatory type programs and there are a number of resources online that recommend "warm-up" or training climbs for Mount McKinley.
Q: (E2) Do I have to use a guide service?
A: No, many climb as part of private expeditions and do not use a guide. If you plan to use a guide service, make certain that they are authorized by Denali National Park and Preserve. Illegal guiding is prohibited and your climb could be cancelled at any time. Be sure to check out our list of authorized guide services. If you have questions or concerns, please contact the Walter Harper Talkeetna Ranger Station via email or phone at 907-733-2231.
Q: (E3) What type of shape do I need to be in for Mount McKinley?
A: There are many excellent resources both in print and on the internet that address physical conditioning for mountaineering and for expeditions on Mount McKinley. In short, you should train to carry a heavy (40-70 lb) backpack while pulling a heavy (60-80 lb) sled on mostly moderate terrain for 6 to 8 hours at a time. In addition to the climbing and carrying of heavy loads, there is a lot of work involved with building camps on Mount McKinley. Focusing on general fitness in addition to uphill and downhill fitness will be a big benefit. Most climbers benefit more from training for endurance and longevity rather than for peak performance. It is fair to say that the best training for walking uphill with a heavy backpack on is, well… walking uphill with a heavy backpack!
Q: (E4) How can I prepare myself for climbing at altitude? Should I take altitude medications?
A: Altitude is always a hot topic for climbers preparing for or actively climbing Mount McKinley. The effects can be a little different for everyone, every time. That said, there are a few almost universal concepts that can help you set the stage for successful acclimatization. While coming into the climb with a high level of overall fitness cannot hurt, it is not necessarily the answer to avoiding altitude illness. Most climbers follow a "double carry" strategy, i.e. carrying a load of gear forward and dropping it off, then descending to a lower elevation camp for the night, then advancing the following day. Teams that follow this strategy generally find themselves well-acclimated by the time they get to the upper mountain. The rule of thumb is generally 'climb high and sleep low', and don't ascend more than 1,000 feet (300 m) per day above 10,000-feet (3,000 m) elevation.
In addition to a moderate ascent rate, proper hydration while moving and resting allows one's body to properly acclimatize. Drinking plenty of water and supplementing with electrolytes is imperative to allow the human body to naturally acclimatize to high altitudes. Be sure to drink at least 4 to 6 liters of fluids per day.
With regard to whether or not to take altitude medications, only you can answer this question and the answer will vary based on a number of factors. Generally speaking, there are both benefits and drawbacks to taking altitude medications prophylactically and there are many schools of thought for how to go about that. We do highly recommend using altitude medications to treat the signs and symptoms of altitude illness should they occur, and doing so in accordance with your doctor's instructions.
Q: (R1) How difficult is the West Buttress Route? Is it dangerous?
A: Difficulty is a hard thing to quantify in climbing, especially when it comes to expedition climbing and routes. For a mountain like Mount McKinley, difficulty needs to be thought of in terms of 1) technical difficulty, 2) weather and conditions, 3) objective hazards, and 4) the environment. In terms of the technical difficulty of the climb, the West Buttress route involves extensive and highly crevassed glacier travel as well as snow and ice climbing to about 40 degrees in steepness. The steepest part of the route -- the headwall above the 14,200-foot camp (4328 m) -- is protected by fixed lines. Conditions on the 'Autobahn', which is the snow and ice slope leading from High Camp at 17,200 feet (5242 m) to Denali Pass at 18,200 feet (5547 m), can vary from deep snow (avalanche danger) to hard ice. Climbers should be prepared to place their own protection as needed on the upper mountain (i.e. the Autobahn, just below Zebra Rocks, Pig Hill and the summit ridge).The Autobahn has been the scene of more fatalities on Mount McKinley than any other part of the mountain.
Q: (R2) What route should I climb on Mount McKinley?
A: The majority of climbers on Mount McKinley (over 90%) attempt the West Buttress route, which is considered the least technical way to get to the summit. Though technically much more difficult, the West Rib is the next most attempted route after the West Buttress, but only sees a handful of parties each year. In technical terms, it is substantially more difficult and more objectively dangerous as compared to the West Buttress. Historically, the Muldrow Glacier on the north side of the mountain was considered similar to the West Buttress in terms of technical difficulty and length, however with the 2021 surge of the Muldrow Glacier, a large section of the traditional route appears impassable.
Q: (R3) Where can I find route information?
A: The Ranger Station has an extensive library with great route information, and mountaineering rangers are available year-round to discuss routes and make suggestions based on a climber's goals and experience level. There are also many recommended books that provide a wealth of Mount McKinley and Mt. Foraker climbing information and detailed route descriptions. Our partner bookstore, Alaska Geographic, is a great place for these books.
Q: (R4) How busy will it be on the mountain?
A: Being an international destination, the definition of "busy" tends to vary widely among climbing groups. It is rare that a team or climber comes to Mount McKinley expecting a solitary experience, especially on the West Buttress. With the growing popularity of the Seven Summits, Mount McKinley's West Buttress route can have as many as 500 to 600 climbers on it during the peak of the climbing season from late May through early June. While climbing teams are generally spread out between basecamp and the summit, both the 14,200-foot camp and the 17,200-foot High Camp can witness a few hundred climbers each during this period.
Q: (R5) How long does a Mount McKinley climb take?
A: The average expedition is 17 to 21 days, round trip. It is possible to reach the summit on day 12 or 13. That said, most groups at a bare minimum opt for one rest day at 14,200 feet and another upon reaching High Camp, which means a bit longer expedition. With a reasonable number of rest days and good weather, it is common for groups to summit in 15 to 18 days. Expeditions that give themselves 21 to 28 days are typically able to wait out adverse weather. It is uncommon but certainly not impossible that teams use all of their days and still do not get a window in which to attempt the summit.
Q: (W1) What type of weather can be expected?
A: You need to be prepared for an extremely wide range of temperatures and conditions. The Kahiltna Glacier can experience some of the of the widest temperature swings on the planet. When the wind is calm and the sun is out, it can be downright hot. At the higher camps, or when a northerly system moves in, the temperatures can dip below -35 degrees Fahrenheit.
Wind is perhaps the biggest danger on Mount McKinley, and climbers should be well prepared to fend off storms and protect themselves and their camps from windy conditions. Even when temperatures are mild, wind chill can accelerate the frostbite process and wreak havoc on equipment and camp sites. Winds in excess of 100mph have been recorded at 14,200 feet (4328 m). On the other hand, climbers have walked to the summit in t-shirts. It is best to be prepared for anything!
Q: (W2) Which weeks have the best weather?
A: Your crystal ball is as good as ours. If you do not mind colder temperatures, then early season (late April to early May) tends to have more high pressure days. As temperatures warm up in June, clouds become more common and bring precipitation higher on the mountain.
Q: (W3) Is a weather forecast available on the mountain?
A: Yes, the weather is broadcast nightly at 8:00 PM on FRS 15. Weather is also available from rangers at the 7,200 foot (2194 m) and 14,200 foot (4328 m) camps. At check in, you will also be given a phone number with a daily weather forecast recording. However, forecasting weather for Mount McKinley and Mt. Foraker is imprecise and difficult. Do not rely solely on the forecast; good judgment should always be used.
Q: (G1) What type of equipment will I need to climb Mount McKinley?
A: You will need gear that will keep you warm in temperatures that can dip below -40 degrees F, 100 mph winds, heavy snowfall, freezing rain, blazing sun. Furthermore, this gear needs to be capable of doing so for weeks at a time. Be sure to review the Equipment and Clothing section of the Expedition Planning Tools for our recommended list of gear. Choosing what gear to bring and knowing what you need to survive the highly variable conditions on Mount McKinley is a big part of what you should be accomplishing in your climbing training and expedition apprenticeship leading up to Mount McKinley. On this and any expedition or technical endeavor, your gear is your life and it should be selected and maintained accordingly.
Q: (G2) What means of communication is recommended?
A: FRS (Family Radio Service) radios are recommended for on-mountain communication. FRS channel 1 is monitored for emergencies. Satellite phones, InReach devices, PLB, or other satellite messaging services are also encouraged.
Q: (G3) Do cell phones work on Mount McKinley and Mount Foraker?
A: No. Climbers are encouraged to bring an alternate form of communication in case of an emergency (see previous answer).
Q: (G4) Skis or snowshoes?
A: This really comes down to personal preference. Most climbers leave their flotation at Camp 3, (11,200 feet / 3414 m) and put on their crampons from there. It takes a very experienced skier to descend with a pack and sled. Snow shoes do provide adequate flotation and having either is far superior to none for safety on the glacier.
Q: (G5) What kind of food do climbers take for this type of trip?
A: Expedition food varies widely from trip to trip, and from person to person. Climbing Mount McKinley is a long expedition and consideration should be given to long term health and enjoyment in addition to packing things that are lightweight and easy to prepare. Most expeditions mix and match some heavier but more enjoyable items with more convenient dehydrated foods. Many menu and meal plans exist in various climbing guidebooks and online resources.
Q: (G6) How much fuel should I take?
A: There are many variables that affect fuel consumption on Mount McKinley expeditions. A few initial considerations revolve around what sort of stove and fuel combination is most appropriate for your group. The options include white gas, propane, and Isobutene. Of these options, most average sized (3-5 members) expeditions prefer white gas fuel and stoves. Isobutene or other canister stoves are very convenient, light, and easy to work with, but canister fuels don't perform well at high altitude and in very cold environments. With regard to white gas quantities, there are a number of formulas that climbers have applied over the years, and again your actual usage will depend on how much you cook, the temperatures on your climb, the efficiency of your stove and cooking system, etc. Typically climbers take one gallon of fuel per person for a three week trip on Mount McKinley and plan for one extra gallon. This method usually allows for a small safety buffer. As with your equipment, fuel is your link to food and water and life safety on the mountain. Plan accordingly and manage your fuel conservatively on your climb.
Q: (P2) What will happen if I need to be rescued?
A: Part of our mission is to assist climbers in need when objective hazards can be managed to an acceptable level. Due to the many environmental difficulties including wind, visibility, altitude, and terrain, it is rare that we or anyone can help in a timely manner should you and your teammates find yourself in need of a rescue. For these reasons and others, we cannot stress enough the importance of maintaining self-sufficiency and planning for self-rescue. Neither technology nor support from others can take the place of proper planning and preparation combined with good decision making. In the end, if your situation is an emergency and we are able to help, we will. We undertake rescue missions at our discretion and with rescuer safety as the highest priority. The National Park Service does not have a policy to charge climbers for rescue services, however, any hospital, air ambulance or other associated costs after leaving the mountain are the sole responsibility of the climber.
Q: (P3) Do I need to bring something to use to remove my human waste?
A: No, when you check in for your climb your expedition will be issued a Clean Mountain Can (CMC) and degradable bags for removing human waste. There is no additional cost for the use of this system.
Q: (P4) Is there someone I can talk to about climbing Mount McKinley?
A: The Ranger Station has administrative and mountaineering staff available year round who are happy to field your registration or climbing-related questions. We encourage you to call or email us anytime should you need assistance in planning your expedition.
Q: (M1) Is it currently possible to climb the Muldrow Glacier route?
A: As a result of the 2021 Muldrow Glacier surge, it appears from the air that a large section of the glacier, ie the lower icefall, is currently impassable. Due to the surge, the dog freight concessioner will not be offering mountaineering gear hauling until further notice. Furthermore, a landslide on the park road is impacting bus service through 2026. Between the impassability of the lower icefall and the current logistical complications, mountaineering rangers suggest waiting a couple years before attempting this route. Read more about routes accessed from north of the Alaska Range.
Q: (M2) If I still decide to attempt the Muldrow Glacier route, do I still need to check in at the Talkeetna Ranger Station?
A: Yes. Read more about routes accessed from north of the Alaska Range.
Q: (M3) When do buses start running to Wonder Lake?
A: Typically buses start around June 8, however a landslide at mile 42 of the park road is likely to impact bus service through 2026.
Q: (M4) How can I get to Wonder Lake when the bus is not running?
A: You can ski, hike, mush, or you can fly into Kantishna, approximately 5 miles from Wonder Lake, with an authorized air taxi.
Q: (M5) How can I get all my gear out there?
A: Most Muldrow climbers use a dog freight service to cache gear the winter before the climb, however due to the 2021 glacial surge, the dog freight concessioner will not be offering gear hauling until further notice. Please remember when you are done with your climb, it is your responsibility to remove all gear from the park before leaving. Dog freighting gear out after your climb is never an option, you must pack out all gear.
Q: (M6) For a Muldrow climb, do I need a backcountry permit as well as a climbing permit?
A: Yes. A backcountry permit can be obtained in person at the Backcountry Information Center from 9 am to 6 pm daily in summer. You will be travelling through bear country and designated Wilderness, and therefore you must go through Denali's backcountry orientation. Allow approximately 45 minutes, so please arrive by 5 pm. Be sure to include this stop in your trip planning!
Q: (M7) Can our group traverse from the Muldrow Glacier to the West Buttress route, or vice versa?
A: Yes. Please be aware that you must pack everything out. Good planning is always very important for a traverse, but particularly critical if considering the route in the next several years.
Frequently Asked Questions about the Registration Process
Q: (A1) When do you begin accepting registration forms for the upcoming climbing season?
A: Registration opens on January 1 of the current year and involves a two-step process. The 60 day pre-registration rule will be strictly enforced.
Q: (A2) Does every member of the team need to register, and if so, what is the process?
A: Yes, every independent (non-guided) climber must (1) pay their registration fee on Pay.gov and (2) submit a signed Application for Special Use Permit via email. It is the responsibility of the expedition leader to ensure all forms and payments have been submitted in time for the requested start date.
Q: (A3) How strictly is the 60 day pre-registration rule enforced?
A: Very strictly. If the expedition's registration forms are not received 60 days before the requested start date, the expedition leader will be notified of the earliest possible start date based on the date the registration forms were received. We do allow expeditions to add one climber at least 30 days before the start of the climb. See below for more information.
Q: (A4) One of our expedition members cancelled and we would like to replace him with another climber, is that possible?
A: "Swapping" of partners or team members is not allowed. However, there is a provision to allow one climber to add into the expedition at least 30 days before the start of the climb. The new climber must pay their registration fee on Pay.gov and submit their signed Application for Special Use Permit via email before they will be added into the expedition. Also, we require explicit approval from the expedition leader to use the 30-day add-on option.
Q: (A5) If I have climbed Mount McKinley before, do I still need to register 60 days out?
A: Climbers who have reached at least Kahiltna Pass (10,000 ft / 3,048 m) on Mount McKinley or Mount Foraker since 1995 and are listed in our climbing database (cancelled climbs do not count!), are eligible for a reduced pre-registration timeframe of 7 days. However, this exception is made on a per person basis; in order for the entire expedition to qualify, every member would need to be on file as having climbed Mount McKinley or Mount Foraker since 1995.
Q: (A6) Can I use both the '30 day add-on' rule and the '7 day exception' in one expedition?
A: No, only one special rule can be used per expedition. Only expeditions that register 60 days before the start of the climb have the option of adding one climber 30 days before the start of their climb. Please email or call 907-733-2231 if you have questions about this policy.
Q: (A7) Do I have to pay anything at the time of registration?
A: Yes, climbers are required to pay the registration fee using Pay.Gov before they submit the Application for Special Use Permit form. The cost of a mountaineering permit for the 2025 season (January 1, 2025 through December 31, 2025) is $440 US currency. Climbers who are 24 years old or younger at the time their expedition begins are eligible for a $340 youth fee. Note that each year the mountaineering special use fee is subject to increase based on Consumer Price Index changes.
In addition to the special use fee, each climber must pay the Denali National Park entrance fee of $15. Climbers with an Interagency Pass or a Denali Annual Pass do not need to pay the park entrance fee. Each Interagency or Denali Annual Pass automatically covers four people (the pass owner and three additional adults). Climbers can pay their entrance fee or purchase an Interagency or Denali Annual Pass in person at the Walter Harper Talkeetna Ranger Station at the time of check in. Entrance fees or park passes can also be purchased online in advance of arrival. If purchased online, climbers must be prepared to present their fee receipt or actual park pass for proof of purchase.
Q: (A8) Is the permit fee refundable?
A: If you cancel your climb on or before February 15, all but $100 of the fee will be refunded. Cancellations after February 15 will not be refunded. Climbers are strongly encouraged to purchase trip insurance in the event an expedition is cancelled due to unforeseeable circumstances.
Q: (A9) How do I register and pay the fee?
A: Climbers are encouraged to register and pay on-line for both the climbing permit and the park entrance fee using Pay.Gov.
Q: (A10) The application form asks for the name of the expedition leader. Do we have to identity a leader?
A: Yes. The expedition leader is the point of contact for the group, and they will receive all correspondence related to the registration and orientation process. The expedition leader is not required to 'lead' the group while climbing or be the strongest climber of the group.
Q: (A11) What is a 'registration code' and where do I find it?
A: On the mountaineering webpage, you can find this code within the four 'Steps to Planning a Climb on Mount McKinley or Foraker'. The code is four digits in red text within these pages.
Q: (A12) Is there a limit on the number of climbers?
A: Yes, there is a limit of 1,500 climbers on Mount McKinley from April 1 to August 1. There is not a daily or weekly limit, only a seasonal limit.
Q: (A13) Will I be notified that our expedition paperwork has been reviewed?
A: The Walter Harper Talkeetna Ranger Station will email a letter to the listed expedition leader once the registration process is complete. If you are the designated expedition leader and do not receive a confirmation email from the ranger staff, do not consider the expedition to be registered.
Q: (A14) How long does the registration process take?
A: It varies. Once the two-step registration process is complete, (i.e. all team member fees are paid and all Application for Special Use Fee forms have been received via email), the file undergoes an internal review by mountaineering staff. The time this process takes varies by group and time of year-- please allow up to a few weeks for this process (after all forms are received). The confirmation letter will be emailed to the team leader after this process is complete.
Q: (A15) I plan on climbing multiple routes and/or both Mount McKinley and Mount Foraker, do I need to register for each separately?
A: No, you only need to register once per season. Your permit fee will cover multiple climbs in a season on Mount McKinley and/or Mount Foraker.
Q: (A16) Is there a deadline for registering?
A: The only requirement is to register 60 days before the start of the climb. We will begin accepting registration forms January 1, 2025 for the 2025 season. If we reach our seasonal limit of 1,500 climbers, we will cease registering new climbers. To avoid any complications, it is advised to register as soon as practical.
Q: (A17) Is it possible to pick up our permit early?
A: We will issue permits up to 24 hours in advance. However, your expedition would not be able to begin their climb before the start date listed on the permit. That said, your permit start date is flexible as long as you satisfied the 60 day requirement. Please contact the Ranger Station at 907-733-2231 or email us if you have questions.
Q: (A18) If our expedition registers for one route, can we change to another route?
A: Yes, please indicate which routes you intend to climb on the Expedition Planning and Preventative Search and Rescue form, as well as the Application for Special Use Permit in the field named “Proposed Activity”. We will verify your route choice at check in. However, if you change routes after you have flown to base camp, let one of our on-mountain rangers know and they will contact the office to update your file. It is very important that we know your plans in case of an emergency. Please keep us in the loop!
Q: (O1) I have received my confirmation letter. Is that all I need to climb?
A: No, team members must also pay the park entrance fee (via Pay.Gov, see above) and all team members must attend a pre-climb orientation together in Talkeetna. At the orientation appointment, climbers will sign their permit. Permits remain on file at the Walter Harper Talkeetna Ranger station and are available upon request.
Q: (O2) Do I need an appointment to check in?
A: Yes. Once the expedition leader of each team has paid their registration fee on Pay.gov and submitted the Application for Special Use Permit via email, they will be assigned an orientation date and time based on their requested start date. Orientation times will be assigned on a first come, first served basis determined by the team leader's registration date. For the 2025 season, four orientation times will be available each day (9:00 AM, 11:00 AM, 1:30 PM and 3:30 PM), with a limited number of climbing teams in attendance. Teams should be prepared to remain flexible with their orientation times, particularly during busy time periods.
Q: (O3) How long does the check in process take?
A: The amount of time to check in varies by group. We suggest allowing at least 2 hours for this process. The air taxi services will not fly you to base camp until you have completed the check in process at the Ranger Station and have signed your official permit. Please be sure your air taxi flight is not booked too close to your orientation appointment! It is suggested that you advise your air taxi of your orientation time to help facilitate your flight scheduling.
Q: (O4) Does the whole expedition need to attend the orientation?
A: Yes. The entire team must attend the briefing together.
Q: (O5) All the members of my expedition have climbed here before; do we still need to attend a pre-climb orientation?
A: Yes.
Q: (O6) What do we need to bring for the check in process?
A: Every climber will need to show state issued identification that includes a photograph (i.e. passport or state driver's license for US based climbers). Also, Denali National Park entrance fees will be collected upon check in. Climbers with an Interagency or Denali Annual pass do not need to pay the park entrance fee. Each Interagency or Denali Annual pass automatically covers up to four people (the pass owner and three additional adults). If you have a pass, please be sure to bring it, as we cannot accept faxed copies of the pass or just take your word that you have a pass back home. Entrance fees or park passes may be purchased online prior to arrival, but you will be required to show the physical pass or receipt at time of check in.
Q: (O7) Can I go back to climb after leaving basecamp without re-registering if it is within the same season?
A: No. If you finish one climb (and fly out), but decide to go back into the Alaska Range later that season to try again, you will need to register again at least 7 days before you begin the second attempt. You will also need to attend another orientation briefing with a mountaineering ranger. However, you do NOT need to pay the climbing permit fee again if it is in the same season. You will be responsible to pay another park entrance fee if you go back into the Range.
Q: (O8) Do I need to check out after the climb is finished?
A: Yes, this process takes about fifteen minutes. During check out, we will check back in your Clean Mountain Cans (CMC) and ask some basic information about the climb. This information can help us provide the best possible orientations to groups as they check in to climb. Your data is also vital to our end of year statistics. Teams will be charged $150.00 for lost CMC's.
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