Safety in Bear Country
Black bears have been seen near Devils Garden Campground. Don't lure or feed them. Dispose of trash in designated receptacles; don't leave it in bags or other soft containers. Store food in vehicles or hard containers when not being prepared or consumed. More »
This sequence shows the rock layers from youngest (top) to oldest (bottom). For clarity, some layers have been included that are not found within the park, but are visible from locations near the park boundary, such as the visitor center. The most dominant rock layers at Arches are the Navajo Sandstone through the Slick Rock Member of the Entrada.
Did You Know?
Pinyon trees do not produce pine nuts every year. These delicious nuts can only be harvested every three to seven years. This irregular schedule prevents animals from adapting to an abundance of pine nuts and guarantees that at least some nuts will become new trees instead of a quick meal.