Pennsylvania
ModerateDelaware River Camden Waterfront Industrial Circuit
Active port roads through Delaware River industrial zone
Difficulty: Moderate
Level 2
Pennsylvania
ModerateFrench Creek State Park Iron Furnace Heritage Circuit
Revolutionary War iron roads through state forest
Pennsylvania
ModerateBrandywine Creek Iron Furnace Heritage Trail
Colonial blast furnace access roads and ore cart tracks
Pennsylvania
ModerateGirard Point Bridge Industrial Approach Circuit
Industrial maze beneath Philadelphia refineries
Pennsylvania
ModerateBelmont Plateau Water Works Access Road
Historic waterworks climb to Philadelphia's summit
Pennsylvania
ModerateValley Green to Chestnut Hill Railroad Grade
Abandoned railroad climbs Wissahickon Gorge
Pennsylvania
ModerateSchuylkill River Trail Power Line Access
Urban utility corridors meet industrial archaeology
Pennsylvania
ModeratePennypack Park Creek Trail Access Road
Hidden service roads through Northeast Philly wilderness
Argentina
ModerateRuta Nacional 40 Esquel to El Bolsón Andean Lakes Circuit
Patagonia's spine road through pristine Andean valleys
Argentina
ModerateRuta Nacional 9 Quebrada del Toro
Railway-parallel high-altitude quebrada traverse