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Management History and Guidelines
Monument and Park Establishment
Great Sand Dunes National Monument was established in 1932 by Herbert Hoover, in response to a local citizens' effort spearheaded by the Ladies' PEO chapters in the San Luis Valley. In the 1920s, gold was found in the Great Sand Dunes. Active gold mining in the sand, and sand extraction for cement, production began to occur.
San Luis Valley residents became concerned about long-term protection of the Great Sand Dunes. An intense but remarkably short and successful campaign to gain support and protection for the dunes ensued, culminating in President Hoover's Proclamation:
Hoover's proclamation focuses on the preservation of the dunes, giving us clear guidance on one of primary interpretive stories: the dunes themselves, our primary resource. We are equally clearly directed to also protect and interpret the 'additional features' which make this landscape so diverse and captivating.
On November 22, 2000, Congress passed the Great Sand Dunes National Park and Preserve Act of 2000, which authorized the expansion of the national monument into a national park almost four times its original size. Like the proclamation of 1932, it was powered largely by valley residents who banded together to protect the resources important to them; in this more modern era, groundwater. Perhaps most importantly, the legislation authorized the eventual purchase of privately held property from willing sellers for inclusion in Great Sand Dunes National Park.
Lands identified as vital to the protection of park resources included the area known as "The Baca", owned for the past two decades by a consortium of commercial water developers. The Baca includes the northwestern corner of the dunefield, wetlands, nesting and migratory bird habitat, and numerous archaeological sites. This purchase, finalized on September 10, 2004, enabled the Secretary of the Interior to affirm that "sufficient diversity of resources has been acquired to warrant designation of the land as a national park" on September 13, 2004. Great Sand Dunes National Monument was redesignated as a national park.
As part of the Act of 2000, roughly 42,000 acres of national forest wilderness area were immediately transferred to NPS management, and were renamed the Great Sand Dunes National Preserve. Natural resources in this area are quite different from those in the older national monument or the expanded national park, and include alpine tundra and lakes, extensive virgin subalpine forest, aspen forests, and high elevation wetlands. Further land transfers from the BLM to NPS management were authorized on the west and south sides of the old monument.
The park and preserve now protect most of the dunes natural hydrological system, from mountain watershed to wetlands, ensuring "the perpetuation of the entire ecosystem for the enjoyment of future generations." Great Sand Dunes National Park and Preserve is also administered under the provision of the Organic Act of 1916, which specifies that units of the National Park system are: "to conserve the scenery and the natural and historic objects and the wild life therein…and to provide for the enjoyment of the same in such manner and by such means as will leave them unimpaired for the enjoyment of future generations."
Great Sand Dunes National Park and Preserve:
The purpose of Great Sand Dunes National Park and Preserve is to:
The mission statement is a visionary summary that conveys the essence of the park qualities to be protected and understood, forging an intellectual and emotional connection between people and the national heritage.
Majestic and austere, the Great Sand Dunes rise from a high mountain valley flanked by some of the tallest peaks in the Rocky Mountains. Great Sand Dunes National Park and Preserve celebrates the entire natural system of the Great Sand Dunes as well as a rich and living connection with ancient and modern peoples. Our mission is to offer visitors opportunities for learning, solitude, and a growing sense of stewardship in an accessible and undeniably enticing natural setting. The National Park Service works with park partners, neighbors, and the American public to protect this treasure forever.
Primary Interpretive Themes
Primary interpretive themes are the most important ideas and concepts communicated to the public about the park. They are the core of all interpretive programs and media provided to park visitors.
Did You Know?
Ute, Apache, and other tribes peeled bark from pine trees for food and medicine. Over 100 of these culturally peeled trees are still living in Great Sand Dunes National Park and Preserve. More...