By Car
  • From the west, access to the Lake McDonald area, Park Headquarters, the Apgar Visitor Center, and Going-to-the-Sun-Road is via Highway 2 east to the town of West Glacier (approximately 33 miles from Kalispell).
  • From the east, all three east-side entrances can be reached by taking Highway 89 north from Great Falls through the town of Browning (approximately 125 miles) and following signs from there. The St. Mary Entrance is the eastern entry point of Going-to-the-Sun-Road and provides access to the St. Mary Visitor Center.
By Air
  • Glacier Park International Airport is located near Kalispell and is approximately 30 miles west of the West Entrance.
  • Missoula International Airport is located approximately 150 miles south of the West Entrance.
  • Great Falls International Airport is located between 130 miles and 165 miles east of the St Mary, Two Medicine, and Many Glacier Entrances.
By Train
  • Amtrak's historic Empire Builder train line stops year-round at West Glacier (Belton), and the Izaak Walton Inn at Essex, and seasonally at East Glacier Park. In the summer, Glacier National Park Lodges provides a shuttle (for a fee) that transports West Glacier Amtrak passengers between the train depot, Apgar Village, and the Lake McDonald Lodge. Reservations are required.

The road is open year-round near the West Entrance. The entire road does not usually open until late June at the earliest. Please visit our Plowing and Road Status pages for the most up-to-date information. The alpine sections of Going-to-the-Sun Road typically close for the winter around the third Monday of October, but this can happen earlier due to wintry weather

Specific Vehicle Size Limits
21 ft (6.4 m) long, 8 ft (2.4 m) wide, 10 ft (3 m) tall

Vehicles and vehicle combinations longer than 21 feet (including bumpers) or wider than 8 feet (including mirrors) are prohibited between Avalanche Creek and Rising Sun. Vehicles over 10 feet in height may have difficulty driving west from Logan Pass to the Loop due to rock overhangs. Stock trucks and trailers can access Packers Roost on the west and Siyeh Bend on the east.

From June 15 through Labor Day, the following sections of Going-to-the-Sun Road are closed to bicycle use between 11 am and 4 pm:
  • From Apgar Loop Road turnoff (at the south end of Lake McDonald) to Sprague Creek Campground
  • Eastbound from Logan Creek to Logan Pass
Speed Limit
For safety reasons, 40 mph is the speed limit in the lower elevations of the road and 25 mph in the alpine section. Please be careful around blind curves, as animals and pedestrians often cross the road unexpectedly.
Glacier's summer shuttle system is updated and adjusted from year to year. Please visit our Shuttle System page for more information. The park’s shuttle service is a point-to-point transportation service only, not a narrated tour. The Going-to-the-Sun Road audio tour has information about each shuttle stop.

A seasonal Hiker's Shuttle may be offered by Glacier National Park Lodges for a fee. It connects St. Mary and Many Glacier.

Times listed below are estimates and will vary based on road construction, traffic, and time of day.

  • St. Mary to Many Glacier Valley: 20 miles, 40 minutes
  • St. Mary to Two Medicine Valley: 34 miles, 1 hour
  • St. Mary to Waterton Lakes National Park: 50 miles, 1 hour (plus Customs delays)
  • West Glacier to East Glacier Park: 56 miles, 1 hour
  • West Glacier to St. Mary (Going-to-the-Sun Road): 50 miles, 2 hours
  • West Glacier to St. Mary (US Hwy 2 to Hwy 89): 90 miles, 2 hours
  • West Glacier to Many Glacier: 70 miles, 2½ hours
  • West Glacier to Polebridge: 28 miles, 1 hour
  • To find up-to-date information about crossing the border, please visit
  • A passport is required for all international border crossings.
  • Piegan/Carway Port of Entry is located on U.S. Hwy 89 north of Babb, MT.
  • Chief Mountain Port of Entry is only open in summer, and operating hours vary. See the U.S. Customs and Border Protection website for more details.
  • Roosville Port of Entry is located on U.S. Hwy 93 north of Eureka, MT.
  • See the Trail Status page for Goat Haunt entry information.

Two companies provide guided tours through the park:

The Blackfeet Perspective
Learn about the Blackfeet Indian culture while traveling in comfortable, 25-seat passenger buses equipped with large windows, air conditioning, and accessibility ramps and lockdowns. For information and reservations, please visit Sun Tours.

Historic Red Bus Tours
Glacier National Park Lodges (Xanterra) offers tours throughout the park during the summer. Sit back and enjoy the park’s spectacular scenery in a historic Red Bus. On clear days, the canvas roofs are rolled back for open-air touring.

A shuttle bus is parked in front a of a large rocky peak.

Shuttle Stops

Glacier's free shuttles are adjusted and updated from year to year. Click here for more information.

A pile of snow falling onto a mountainous road.

Current Road Status

Go here to get the latest updates on road openings and closures around the park.

A large plow truck removes snow from a high alpine road with a vast landscape beyond and cloudy sky.

Snow Plowing Status

Where are the plows? Go here to see the latest updates about snow plowing on Going-to-the-Sun Road.

Last updated: November 5, 2021

Contact the Park

Mailing Address:

PO Box 128
West Glacier , MT 59936


406 888-7800

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