(Nevada)
Cathedral Gorge State Park is a public recreation area and geologic preserve featuring a dramatic landscape of eroded soft bentonite clay covering almost 1,800 acres (730 ha) in Lincoln County, Nevada. The state park is located along U.S. Route 93 at the west end of State Route 319, two miles (3.2 km) northwest of the town of Panaca. (Ref: https://en.wikipedia.org/wiki/Cathedral_Gorge_State_Park)