Winter is a quiet time to visit Arches. Discover a landscape of contrasting colors, land forms, and textures unlike any other. The park has over 2,000 natural stone arches, hundreds of soaring pinnacles, massive rock fins, and giant balanced rocks. This red-rock wonderland will amaze you with its formations, refresh you with its trails, and inspire you with its sunsets.
This park was aptly named for its more than 2,000 arches, the largest concentration in the world. These landmarks formed from millions of years' worth of seismic activity as the area shifted, wrinkled and expanded, leaving exposed sandstone to spread to the surface. Water eventually began eroding the sandstone into fins, or narrow, thin rock faces. Then, water seeped into the cracks of the fins and froze and expanded, which caused chunks of sandstone to fall out and form a window. Water and wind continued to erode the window until it became an arch.
Among the park's best-known arches are the Delicate Arch, which is depicted on the Utah license plate, and the Landscape Arch — the largest of them all. Landscape Arch stretches 306 feet across, or about the length of a football field.