Cook Forest S. P.

Tucked into the forested hills of northwest Pennsylvania, Cook Forest State Park is one of the region's most beloved natural retreats — and the Clarion River running through its heart is the jewel at the center of it all. 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.

The Setting: Ancient Forest Meets Moving Water

Cook Forest earned the nickname "the Black Forest" long before Pennsylvania was fully settled, and standing beneath its towering old-growth pines today, it's easy to understand why. 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. The water tends to run clear over a rocky bottom, giving you a good look at what's beneath your feet before you commit to a swim. Gentle currents in many sections make tubing a relaxed, unhurried affair — you drift, you spin slowly, you watch the treetops scroll past overhead. Canoeing is equally popular, and the river rewards paddlers with long, quiet stretches punctuated by the sound of moving water and birdsong. Note that some access points require a short walk over uneven terrain, so wear appropriate footwear on your way in. No fee is charged for access to the river and park.

Practical

Directions to Cook Forest State Park Swimming Hole (Cook Forest S.P.) Cook Forest State Park is located in Pennsylvania and is accessible from nearby towns such as Marienville, Clarion, and Cooksburg. Follow the directions below for a clear and straightforward route to the swimming hole along the Clarion River. Step-by-Step Directions: Starting Point: I-80 at Brookville (Exit 78) If you are traveling on Interstate 80, take Exit 78 for Brookville. Head North on PA-36 From the exit, merge onto PA-36 North. Continue on PA-36 North for approximately 15 miles. Along the way, you will pass through scenic areas and small towns. Follow signs for Cook Forest State Park. Enter Cook Forest State Park Once you arrive at Cook Forest State Park, continue driving along PA-36. Look for signs directing you toward the Clarion River. Locate Parking Within the park, there are designated parking areas near the Clarion River. Ensure you park in a legal, marked parking spot. Avoid parking in restricted or unmarked areas to prevent fines or towing. Access the Swimming Hole After parking, walk toward the Clarion River. If you plan to enjoy tubing or swimming, bring any necessary gear, such as a tube or towel, with you. The river is easily accessible from the parking areas, and there are spots along the riverbank where you can enter the water safely. Helpful Notes: Cook Forest State Park is a popular destination, especially during summer months. Arrive early to secure parking and enjoy a less crowded experience. Be mindful of posted rules and regulations regarding swimming and tubing in the river. Restrooms and picnic areas may be available near some parking areas, so plan accordingly. Enjoy your visit to Cook Forest State Park and the refreshing waters of the Clarion River!

Cook Forest State Park sits within easy reach of several small towns that serve as convenient base camps. Cooksburg is the closest community and lies essentially at the park's doorstep. Clarion , to the south, offers a fuller range of dining, lodging, and shopping options. Marienville to the northeast provides another access point into the broader Allegheny National Forest region. Whichever direction you come from, the Clarion River and its ancient forest surroundings are well worth the drive.

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.