Contact Us

The Great Sand Dunes website is extensive and detailed, and contains answers to almost every visitor question. Follow these links to find detailed answers to common questions on:

Conditions to Expect Each Month
Pinpoint Park and Preserve Weather Forecasts
Camping and Lodging
Medano Creek Information, Forecast and Conditions
Things to Do

Sandboarding/Sand Sledding Info and Rentals
Hours
Programs
Nature and Science

For Questions about the Park and Preserve

E-mail a Ranger

or write to:

Visitor Center
11999 Highway 150
Mosca, CO 81146

Call:

Visitor Center (for general visitor and trip-planning inquiries)
719-378-6395

In the event of a medical emergency, missing person, or fire, call 911

For Non-Emergency Law Enforcement Related Issues or Reporting (Non-Life-Threatening Situations)

Call San Luis Valley Dispatch at (719) 589-5807
(This number does not have visitor or trip planning information about the park)

For Making or Changing a Campground Reservation

Visit Recreation.gov at the Pinon Flats Campground webpage or call 1-877-444-6777


For Administrative and Business Correspondence

Administrative Office
Great Sand Dunes National Park
11500 Highway 150
Mosca, CO 81146-9798

For The Park Fee Office

Fee Program
Great Sand Dunes National Park
11500 Highway 150
Mosca, CO 81146-9798
or
Email the fee office

To Contact Public Affairs

For press, media, news agencies, and matters related to park management or planning, please email the Public Information Officer (PIO) or call 719-378-6341

To Report a Lost Item

If you've lost an item in the park and preserve, please report your lost item with an online form and/or call the visitor center at 719-378-6395.

Last updated: August 11, 2025

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Contact Info

Mailing Address:

Visitor Center
11999 State Highway 150

Mosca, CO 81146

Phone:

(719) 378-6395
General Park and Preserve information: (719) 378-6395 Emergencies (Police, Fire, Medical): Dial 911. Non-emergencies (Police, Fire, Medical): call (719) 589-5807

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