Attractions and places to see in Clarion County feature a landscape dominated by old-growth forests and significant waterways. The region is part of the Allegheny Plateau, offering diverse natural environments. Visitors can explore protected natural monuments and extensive river systems. This area provides opportunities for outdoor activities amidst its unique natural heritage.
Last updated: May 21, 2026
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From the trailhead sign: The Forest Cathedral Natural Area contains one of the largest old growth forests of white pine and eastern hemlock in Pennsylvania. Many of these magnificent pine and hemlock trees now exceed three feet in diameter and approach 200 feet in height. Trees of this size are often over 300 years of age; dating to the era of William Penn, the first Governor of "Penn's Woods", and are often referred to as "William Penn Trees". It is perhaps fitting that this forest remains in the midst of an area which saw the greatest logging boom in the history of the Commonwealth - the period of the late 1800s, when thousands of acres of old growth forests were cut for the shipbuilding and constructions industries. The Forest Cathedral is registered as a National Natural Landmark and has been set aside for protection as a State Park Natural Area.
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From here you can access two excellent viewpoints over the forest and Clarion River. The fire tower can be a bit intimidating for those with a fear of heights.
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Designated as a National Wild and Scenic River, the 110-mile Clarion River drains a rugged portion of the Allegheny Plateau as it makes its way to the Allegheny. Along its course the river passes through multiple state parks and provides access for recreational activities such as kayaking, hiking, camping, and fishing.
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Cook Forest State Park cover 8,500 acres and protects some of Northwestern Pennsylvania's last remaining old growth forests. The Forest Cathedral section of hemlock and white pines is a National Natural Landmark. The park has miles of hiking trails, campgrounds, and access to the Clarion River.
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This stretch has beautiful views on and off the trail. Worth getting off the trail to see the view of the Redbank River from the bridge, and check out the former fire brick plant.
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Yes, Cook Forest State Park offers easy hiking trails, particularly within its Forest Cathedral section. This area is known for its old-growth hemlock and white pines, providing a serene walking experience.
Clarion County offers a variety of outdoor activities. The Clarion River, a National Wild and Scenic River, is excellent for kayaking, hiking, camping, and fishing. Cook Forest State Park provides extensive hiking trails. For cycling, you can explore routes like the "Former Lucinda Station loop" or the "Allegheny River Trail Tunnel loop." Find more details on these activities in the Hiking in Clarion County and Cycling in Clarion County guides.
The primary location for old-growth forests in Clarion County is Cook Forest State Park. Its Forest Cathedral section is a National Natural Landmark, protecting some of Northwestern Pennsylvania's last remaining old-growth hemlock and white pine trees, some reaching 200 feet in height and over 300 years old.
Yes, the Fire Tower and Seneca Viewpoints offer excellent panoramic vistas over the forest and the Clarion River. Another spot is the Rehbank Valley Trail - Saint Charles Viewpoint, which provides beautiful views of the Redbank River.
Clarion County offers several family-friendly attractions. Cook Forest State Park has easy trails and campgrounds suitable for families. The Clarion River is great for recreational activities like kayaking and fishing. Additionally, the Rehbank Valley Trail - Saint Charles Viewpoint offers accessible views and trails.
The best time to visit Clarion County largely depends on your preferred activities. Spring and fall offer pleasant temperatures for hiking and enjoying the foliage. Summer is ideal for water activities on the Clarion River, while winter provides opportunities for snow-related recreation in areas like Cook Forest State Park.
Cook Forest State Park provides various parking areas throughout its 8,500 acres, including designated lots near trailheads and visitor centers. Specific parking availability can vary by trail, so it's advisable to check park maps upon arrival or consult the park's official website for detailed information on access points.
While many trails in Clarion County are rugged, some areas offer more accessible options. For instance, parts of Cook Forest State Park may have paved or boardwalk sections. It's recommended to contact specific attractions or the park office directly for the most current information on wheelchair accessibility.
Many outdoor areas in Clarion County, including trails within Cook Forest State Park and along the Clarion River, are generally dog-friendly. However, dogs are typically required to be on a leash. Always check specific park regulations or trail signage before bringing your pet.
For hiking in Clarion County, especially in areas like Cook Forest State Park, wear comfortable, layered clothing suitable for the season. Sturdy hiking boots are recommended for varied terrain. Consider bringing rain gear, insect repellent, and plenty of water, especially during warmer months.
Yes, Clarion County offers winter activities, particularly in Cook Forest State Park. When snow conditions allow, visitors can enjoy cross-country skiing, snowshoeing, and winter hiking on designated trails. Ice fishing may also be possible on frozen waterways, adhering to safety guidelines.
Yes, there are several loop trails available for hiking in Clarion County. For example, within Cook Forest State Park, you can find routes like the "Longfellow, Ancient Forest, and Indian Trail Loop" or the "Cook Forest State Park loop from Cook Forest State Park." More options are detailed in the Hiking in Clarion County guide.
Clarion County's diverse natural environments, including old-growth forests and river systems, support a variety of wildlife. Visitors might spot white-tailed deer, black bears, wild turkeys, and various bird species. The Clarion River is home to diverse fish populations and aquatic wildlife.


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