4.7
(4466)
19,448
hikers
02:31
7.30km
390m
Hiking
Hike the moderate 4.5-mile Flat Rock Loop Trail in Colonel Denning State Park, featuring steep and rocky sections with 1285 feet of elevatio
Last updated: February 26, 2026
Waypoints
Start point
Parking
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1.03 km
Highlight (Segment) • Trail
Tip by
3.28 km
Highlight • Viewpoint
Tip by
7.30 km
End point
Parking
Way Types & Surfaces
Way Types
7.28 km
< 100 m
Surfaces
< 100 m
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Elevation
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Today
Wednesday 6 May
19°C
12°C
64 %
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Max wind speed: 19.0 km/h
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This route was planned by komoot.
The Flat Rock Loop Trail is rated as moderate. Located in Colonel Denning State Park, it is known for being a steep and rocky challenge, offering a good workout for hikers.
Hikers generally complete the Flat Rock Loop Trail in about 2 hours and 30 minutes. This duration can vary based on your pace and how often you stop to enjoy the scenery.
Yes, dogs are typically permitted on trails within Pennsylvania State Parks, including the Flat Rock Loop Trail. Please ensure your dog is kept on a leash and that you clean up after them to maintain the trail's cleanliness for all users.
The trail is characterized by its steep and rocky sections, as is common for trails in Colonel Denning State Park. You can expect varied forest paths with some challenging ascents and descents.
The route features the Flat Rock Trail itself, which leads to the Flat Rock viewpoint. This viewpoint offers rewarding views of the surrounding landscape after the challenging climb.
Spring and fall are generally the best seasons for hiking the trail. In spring, you can enjoy blooming wildflowers, while fall offers spectacular foliage. Summer can be warm and humid, and winter hiking may present icy or snowy conditions on the steep, rocky sections.
Yes, the route shares sections with several other trails. Notably, it covers significant portions of the Tuscalachian Loop and the Tuscarora Trail. You'll also find it intersecting with the Lehman Trail, Old Flat Rock Trail, Warner Trail, and Woodburn Trail at various points.
No, there are generally no entrance fees to access Colonel Denning State Park or its trails, including the Flat Rock Loop Trail. However, specific activities or facilities within the park might require a fee or permit, so it's always good to check the park's official website for the latest information.
The Flat Rock Loop Trail is located within Colonel Denning State Park in Cumberland County, Pennsylvania. Parking is available at designated areas within the park, typically near the main park facilities or specific trailheads. Look for signage directing you to the Flat Rock Trail access points.
Given its classification as moderate and descriptions of being steep and rocky, the Flat Rock Loop Trail might be challenging for very young children or those unaccustomed to hiking. Families with older, experienced children who enjoy a physical challenge may find it rewarding.
Due to the steep and rocky terrain, sturdy hiking boots with good ankle support are highly recommended. Bring plenty of water, especially on warmer days, and snacks. Dress in layers, as weather conditions can change, and consider trekking poles for stability on descents.