Irwin · Bonneville County · ID
National Forest Development Road 158 Trail is a 7.0-mile easy (green) trail near Irwin, in Bonneville County, ID. It climbs 993 ft and descends 2,180 ft, between 6,262 ft and a high point of 7,474 ft. Mapped for other.
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Trail data © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP. Open the interactive map for routing, weather, and offline use.