West of Allentown near Hamburg, the Reservoir area has roughly 30 miles of varied terrain ranging from doublemountain bike track to gnarly single track. Passes through State Game Lands #106. From Allentown, go west on 178 for 15 miles to SR 143. Four access areas are available. Head south on SR 143 to Lenhartsville. Go right at the stop sign to Memorial Road, just before the stone church. Go right and follow to the parking lot.
Overall, Hamburg Reservoir Watershed is the 58th most popular mountain bike trail of all 75 mountain biking rides in Pennsylvania.