Mushroom Rock State Park

About this park

Mushroom Rock State Park, at just 5 acres, is the smallest state park in Kansas, yet it holds one of the state's most unusual geological features: giant mushroom-shaped rock formations formed from Cretaceous-era beach sands and sediments cemented by natural calcium carbonate. The largest of these formations measures 27 feet in diameter. The unusual rocks have drawn visitors for generations, serving as meeting places and landmarks for Native Americans and later for pioneers and explorers, including reportedly Kit Carson, who is said to have named the area among his favorite places on the plains. The site was officially dedicated as a state park in 1965 after the Ellsworth County Historical Society secured the land for donation to the state. Because of its small size, the park offers no camping and charges no entrance fee, functioning purely as a short, striking stop for sightseeing and photography. It is managed by nearby Kanopolis State Park and is recognized as one of the "8 Wonders of Kansas Geography," a designation that reflects its outsized reputation relative to its tiny footprint.