2.1 mi from the trailheadCarderock Recreation Area Pavilion
Campground · MD
2.3 mi out & back · 156 ft gain · 150 ft high point · Easy
Via Trail to Lock 8, Towpath, Milepost 8-9, and the Potomac Heritage National Scenic Trail (0.8 mi)
In Chesapeake & Ohio Canal National Historical Park · MD · National Park Service
Union Arch Trail connects to Lock 8 and Milepost 8-9 on the Chesapeake & Ohio Canal National Historical Park out and back.
156 ft of gain round trip.
The closest places to sleep, measured from the trailhead.
Ranked the same way, within twenty-five miles.
What the trail reaches, measured from the start.
The hike from its start, the approach dashed. Drag with two fingers, or hold a key to zoom.
Trail data: USFS, NPS, © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP via Mapzen terrain tiles. Nearby reading: Wikipedia. Download the trail and feature data.
Campground
0.0 mi of trails · Easy
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Wed: Mostly Sunny · wind 2 to 8 mph S