Hocking State Forest is a state forest in Hocking County, Ohio, United States. The forest adjoins Hocking Hills State Park and three nature preserves including Conkle's Hollow State Nature Preserve. The forest is in one of the most scenic areas of Ohio, known as the Hocking Hills. The area features not only forests, but frequent bluffs, rock shelters and waterfalls, due to the Blackhand sandstone. Hocking Hills State Park is a non-contiguous state park in the Hocking Hills region of Hocking County, Ohio, United States, it is contiguous with the Hocking State Forest. Within the park are several spectacular rock formations. The park contains seven separate sections: Ash Cave, Cantwell Cliffs, Cedar Falls, Conkle's Hollow, Old Man's Cave, Rock House and Whispering Cave. Ash Cave, Old man's Cave and Whispering Cave are each examples of recess caves. Cantwell Cliffs and Conkle's Hollow each feature a narrow, deep gorge, Rock House is a cliffed area with a rock shelter, Cedar Falls is a large waterfall, but each of the park areas except Rock House contain waterfalls.