Grand Tower · Union County · IL
River to River Segment 7 - Alto Pass to Devil's Backbone is a 21.1-mile trail near Grand Tower, in Union County, IL. It climbs 1,906 ft and descends 2,299 ft, between 340 ft and a high point of 843 ft. Mapped for hiking.
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Trail data © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP. Open the interactive map for routing, weather, and offline use.