… was proclaimed Arches National Monument on this date in 1929. It became a national park in 1971.
Arches National Park preserves over two thousand natural sandstone arches, including the world-famous Delicate Arch, in addition to a variety of unique geological resources and formations. In some areas, faulting has exposed millions of years of geologic history. The extraordinary features of the park, including balanced rocks, fins and pinnacles, are highlighted by a striking environment of contrasting colors, landforms and textures.