Route 295 to exit 19. Route 656 west to Route 44. Turn left on Route 44, and follow over drawbridge. Turn right at first traffic light after drawbridge (Commerce Street.) Commerce Street will turn into Mantua Avenue. Continue on Mantua Avenue, the Tinicum Rear Lighthouse will be located in the ball park on your left at the intersection of Mantua Avenue and Second Street. Turn left onto Second Street. Continue until Second Street 'T's onto Billingsport Road. Turn left onto Billingsport Road. Just after Third Street turn right onto Clonmell Road. The access to the light is from a small park located near the refinery. The access road to the park is on the right across from Deleware Street. It appears to the driveway for 801 Clonmell. Once in the park, walk to the far side of the park (close to the river) and look to your left. The front light can be seen from the top of the Tinicum Rear Light.