Princeton Junction · Mercer County · NJ
Pine Loop is a 0.1-mile trail near Princeton Junction, in Mercer County, NJ. It climbs 0 ft and descends 4 ft, between 76 ft and a high point of 85 ft. Mapped for hiking, trail running.
All Mercer County trailsMercer County hikingNJ trails
Trail data © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP. Updated 2026-07-26. Open the interactive map for routing, weather, and offline use.