
About the Friends...
The Friends of the Dunes is a non-profit citizen’s support group for Great Sand Dunes National Park and Preserve in the San Luis Valley, Colorado. In cooperation with the National Park Service, the Friends provide a forum for citizen involvement in Park planning, foster public interest on issues and need, and provide volunteer and financial aid for projects beyond the scope of the Park’s budget.

The Friends support groundbreaking discoveries in archaeology!
Marilyn A. Martorano, a Registered Professional Archaeologist (RPA) and a San Luis Valley, Colorado native, is currently the owner/archaeologist of Martorano Consultants LLC in Longmont, Colorado. In 2021, Marilyn received the History Colorado Stephen H. Hart Award for lithophone research at Great Sand Dunes National Park and Preserve in the San Luis Valley, in partnership with the Friends of the Dunes...​
Read the Alamosa Citizen article on Marylin's amazing discoveries!
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How YOU can Help!
Funds collected by Friends of the Dunes directly support the Mission and infrastructure goals of Great Sand Dunes National Park and Preserve... Please consider contributing today!
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Cash contributions can be added to the Donation Box at the Visitor Center
OR
Checks can be written to "Friends of the Dunes", and mailed to:
Friends of the Dunes
PO Box 1437
Alamosa, CO 81101
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