The gorge walls are composed of Blackhand sandstone, deposited in a shallow sea during the Mississippian period.
The preserve contains one of the highest concentrations of hemlock trees in the state, which thrive in the gorge's cool microclimate.
The Rim Trail offers vantage points that drop vertically for nearly 200 feet, making it one of the most significant elevation changes in the region.
Unlike many nearby state parks, this site is designated as a state nature preserve, which prohibits pets and requires visitors to stay on marked trails.
The floor of the gorge remains significantly cooler than the surrounding plateaus, supporting diverse mosses and ferns.
Conkles Hollow State Nature Preserve features a deep, narrow gorge carved into Blackhand sandstone, creating one of the most rugged landscapes in Ohio. Visitors can choose between the Gorge Trail, a flat 2-mile path along the valley floor, or the Rim Trail, a 2.5-mile loop along the cliff edges. The sandstone cliffs rise 200 feet above the forest floor, providing extensive views of the Hocking Hills region. The preserve is characterized by its hemlock-shaded valley and exposed sandstone ridges. Hikers on the Rim Trail encounter high-elevation rocky outcrops that require crossing unprotected cliff edges. The area is specifically protected as a state nature preserve to maintain its high-quality botanical and geological diversity. It is located within the larger Hocking Hills park system context but managed strictly as a nature preserve.
The western end of the Rim Trail provides the iconic, unobstructed view of the gorge opening.
Prioritize the Rim Trail for panoramic ridge views, but choose the Gorge Trail if you are uncomfortable with significant heights or steep inclines.
Wear footwear with high-traction soles, as sandstone surfaces can become slippery when damp.
Carry all necessary water, as there are no drinking fountains or concessions within the preserve boundaries.
Attempting the Rim Trail during heavy rain or high winds, as the cliff-side paths lack guardrails in many sections.
Open daily from dawn to dusk; may close temporarily for trail maintenance or extreme weather events.
Stay strictly on the trails; off-trail hiking is prohibited to protect fragile cliff flora. Pets are not permitted.
