Trails to Try A series of articles dedicated to hiking trails in the Philadelphia area The Schuylkill Center   It seems hard to believe, but you can go hiking and leave city sights and sounds behind, all without leaving the city. The Schuylkill Center for Environmental Education has over three miles of trails that loop and interconnect over the nature center’s 340 acres. With something for everyone, the trails vary in difficulty, from the flat, paved Widener Trail to the one-mile Ravine Loop which has some steep sections. Once you leave the paved trail leading away from the nature center, the sounds fall away, leaving you free to enjoy nature…