Swallow Rock Trailhead provides access to Forest Trail 529, a 3-mile point-to-point hiking trail that follows Swallow Rock Run up the west side of Allegheny Mountain and descends via an unnamed stream to Seneca Creek. The trailhead is located 4.

3 miles south of Whitmer on Whitmer Road and passes through open forest of maple, birch, beech, and cherry trees; hikers must ford Seneca Creek to reach connecting trails. Bring drinking water and treat stream water before drinking.