On April 12, 1929, Herbert Hoover established Arches National Monument through a presidential proclamation. Public Law 92-155 was passed by Congress and signed by President Richard M. Nixon in 1971 to abolish Arches National Monument and establish Arches National Park. The park’s foundation documents list these significant statements and the following interpretive themes for Arches.
1. Arches National Park contains the largest concentration of natural arches on earth.
2. The geographic location of Arches National Park provides visitors with the opportunity to enjoy iconic Colorado Plateau landscapes in a majestic natural setting, with striking geologic features in the foreground and the towering La Sal Mountains in the distance creating expansive views of contrasting colors and textures.
3. Arches National Park protects representative examples of Colorado Plateau ecosystems, providing opportunities for scientific studies of natural and human systems in diverse landscape settings over long periods of time.
4. Arches National Park protects a notable array of cultural sites and features that reflect the many different ways people have occupied and used Colorado Plateau landscapes over the last 12,000 years.
Geology. Geologic features found in Arches National Park are a result of powerful and dynamic geologic forces operating over great lengths of time.
Desert Ecology. The geology, climate, and life forms of Arches National Park result in a rich, interconnected desert ecosystem.
Natural Environments. The expansive views, dark night skies, and natural sounds of Arches National Park provide opportunities for visitors to experience nature and solitude.
Majestic Scenery. The beautiful landscapes and vistas enjoyed from within Arches National Park are dependent on the health and vitality of surrounding lands, water, and air.
Cultural Landscapes. Past human activities have influenced and shaped what we see and experience in Arches National Park today.