Northwest of Philadelphia and north of Phoenixville, the River Trail is a 6 mile round trip trail along the Schuylkill River. The wide dirt path winds along the river through tall hardwood forest. There are several side mountain bike singletracks that are worth exploring as well.
The preferred western trailhead is located off Pawlings Road just on the north side of the river.
Overall, River Trail is the 69th most popular mountain bike trail of all 75 mountain biking rides in Pennsylvania.