You may be familiar with the Schuylkill River Trail, but have you looked over and wondered what’s across the river? Could there be another trail, on the western bank? Why, yes, there is: the Phoenix Iron Canal Trail, and it’s easy to access via a Chester County park – Black Rock Sanctuary. The trail (and nearby town) gets its name from the Phoenix Iron Works (originally the French Creek Nail Works), which was the first and for a time, also the largest nail factory in the United States. The path begins at the Black Rock Boat launch and follows the river toward Phoenixville. It ends where the French Creek meets…