Cook Forest S. P.

Cook Forest S.P. lies in Pennsylvania, where Clarion River moves through a wooded corridor. Visitors trade crowds for a quieter bank access.

Here, beneath a cathedral canopy of ancient white pines and hemlocks that have stood for centuries, the river moves at a pace that invites you to slow down, wade in, and let the current carry your worries downstream. Whether you're floating on a tube, paddling a canoe, or simply cooling off on a warm summer afternoon, the Clarion offers a rare combination of beauty, accessibility, and wild Pennsylvania character. These are not second-growth trees. Many of the white pines and hemlocks here have never been cut, making this one of the finest stands of virgin forest in all of North America. The forest presses right up to the riverbank in places, casting deep shade over the water and filling the air with the clean, resinous scent of pine.

Sunlight filters through the canopy in shifting patterns, dappling the river's surface and illuminating the rocky streambed below. Deer, great blue herons, and a remarkable variety of songbirds are regular company on the water's edge. On the Water: Swimming, Tubing & Paddling the Clarion The Clarion River is approachable for swimmers and floaters of varying experience levels, earning it an easy-to-moderate designation that makes it well-suited for families and casual adventurers alike. Gentle currents in many sections make tubing a relaxed, unhurried affair. You drift, you spin slowly, you watch the treetops scroll past overhead.

Treat Cook Forest S.P. as a wild swim: no lifeguard, variable depth, and rules that can change by season.

Cook Forest S.P. works well as a day trip from Marienville or Clarion. Stock up in town, then head to the water with food, water, and sun protection. Combine the swim with camping at City Island Beach or browse more Pennsylvania river spots in our directory. For the full list in Pennsylvania, see our state directory.

Parking is available within the state park near river access points. All visitor facilities (restrooms, concessions, supplies) are located in the nearby towns of Marienville, Clarion, and Cooksburg. The park itself does not charge an entry or access fee for the river.

The park's virgin timber stands are a relic of Pennsylvania's lumber boom, highlighting the region’s historical importance in conservation and resource management.

Cook Forest State Park is a protected area with old-growth forests requiring careful preservation. Practice Leave No Trace principles and respect wildlife habitats.