Landscape
The canyon was formed by erosion from the Little Prairie Dog Town branch of the Red River.
The park is home to many unique geological formations, including many hoodoos-- thin, irregular columns of sedimentary rock sticking up from the canyon floor, capped with a harder rock which prevents further erosion. The Lighthouse is the most famous of these in park, and is one of the quintessential postcard shots in the state.
Prominent features:
the Lighthouse, reachable via a 5.75 mile-long round trip on the Lighthouse Trail.
Capital Peak
the Spanish Skirts
the Devil's Slide