Hermitage · Mercer County · PA
Trout Island Trail is a 4.7-mile trail near Hermitage, in Mercer County, PA. It climbs 74 ft and descends 75 ft, between 919 ft and a high point of 974 ft. Mapped for hiking, mountain biking.
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Trail data © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP. Updated 2026-07-26. Open the interactive map for routing, weather, and offline use.