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 inquiries)
719-378-6395

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

For Non-Emergencies (Non-Life-Threatening Situations)

Call San Luis Valley Dispatch at (719) 589-5807

For Administrative and Business Correspondence

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

Fax Number

Administration and Fees Office: 719-378-6310

To Contact Public Affairs

For issues related to park management or planning, please email the Public Information Officer (PIO) at Great Sand Dunes.

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: February 18, 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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