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© 2026 Roaming.Camp · Data from NPS, Recreation.gov, BLM, USFS, NWS, and the FCC.Operating on ceded ancestral land.Photography via Unsplash.

Leave it better than you found it.

Hike

Dam 4 Winch House Bridge

Ends at Potomac River Reservoir
Camp 2 mi away

0.0 mi one way · 328 ft high point · Easy · Boardwalk

In Chesapeake & Ohio Canal National Historical Park · MD · National Park Service

About Elevation Highlights Map Camp near here More hikes

About this hike

This short wood-surfaced path leads to the Potomac River Reservoir at Dam 4 in Chesapeake & Ohio Canal National Historical Park.

Elevation

0 ft of gain and 0 ft of descent.

Camp near here

The closest places to sleep, measured from the trailhead.

See all on the map

1.8 mi from the trailhead
Big Woods Hiker-Biker Campsite
Campground · MD

More hikes nearby

Ranked the same way, within twenty-five miles.

13 mi from you
Appalachian Trail
- Summits Loudoun Heights
- 1,600 ft of climbing
- Camp 1 mi away
6.0 mi loop · 1,600 ft gain · Very hard
Harpers Ferry National Historical Park · Camp 1 mi away

Elevation along the trail from the start. Source: USGS 3DEP.

Highlights

What the trail reaches, measured from the start.

Potomac River ReservoirDestination · 0.0 mi in

Nearby reading

Great Appalachian Valley
Foltz, West Virginia
Power Plant and Dam No. 4

Map

The route at the trailhead. 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.

At a glance

Length: 0.0 mi
Shape: One way
Gain: 0 ft
Descent: 0 ft
High point: 328 ft
Low point: 327 ft
Difficulty: Easy
Managed by: National Park Service
State: MD
Camps within 15 mi: 21
Trailhead: 39.4958° N · 77.8266° W

Get directions Open the map

1.8 mi from the trailhead

Big Woods Hiker-Biker Overnight (HBO) Campsite

Campground

2.3 mi from the trailhead

Opequon Junction Hiker-Biker Overnight (HBO) Campsite

Campground · MD

22 mi from you

Hog Rock Loop Trail

Ends at Cunningham Falls
Inside Catoctin Mountain Park
1,406 ft of climbing

6.8 mi loop · 1,406 ft gain · Hard

Catoctin Mountain Park · Camp under a mile away

Cunningham Falls Nature Trail

Ends at Cunningham Falls
Inside Catoctin Mountain Park
Camp under a mile away

1.1 mi loop · 122 ft gain · Easy

Catoctin Mountain Park · Camp under a mile away

8 Mile Loop Trail

Ends at Cunningham Falls
Inside Catoctin Mountain Park
1,991 ft of climbing

9.2 mi loop · 1,991 ft gain · Hard

Catoctin Mountain Park · Camp under a mile away

Harpers Ferry Center Sidewalks and Paths

Summits Camp Hill
Camp 1 mi away

4.0 mi out & back · 459 ft gain · Moderate

Harpers Ferry National Historical Park · Camp 1 mi away

Appalachian Trail

Ends at Maryland Heights Overlook
Inside Appalachian National Scenic Trail
Camp 4 mi away

5.2 mi out & back · 43 ft gain · Easy

Appalachian National Scenic Trail · Camp 4 mi away

More like this

Hikes that read like this one, wherever they are.

Dam 4 Path
- Ends at Potomac River Reservoir
- Camp 2 mi away
0.1 mi of trails · Easy
Chesapeake & Ohio Canal National Historical Park · Camp 2 mi away
Dam 4 Inlet Lock Path
- Ends at Potomac River Reservoir
- Camp 2 mi away
5.1 mi out & back · 76 ft gain · Easy
Chesapeake & Ohio Canal National Historical Park · Camp 2 mi away
Towpath, Milepost 85-86 (085.00)
- Ends at Potomac River Reservoir
- Camp 2 mi away
6.3 mi out & back · 71 ft gain · Easy
Chesapeake & Ohio Canal National Historical Park · Camp 2 mi away
Railroad Lift Bridge
- Ends at Potomac River Reservoir
- Camp 2 mi away
0.0 mi one way · Easy
Chesapeake & Ohio Canal National Historical Park · Camp 2 mi away

Weather

7-day forecast

Today63°40°Sunny
Mon60°31°Mostly Sunny
Tue68°36°Sunny
Wed

66°39°

Mostly Sunny

Thu56°34°Light Rain

Fri45°28°Light Rain Likely

Sat47°28°Slight Chance Rain And Snow

Today: Sunny · wind 5 to 10 mph W

National Weather Service · refreshed hourly

Signal

Cell coverage here

VerizonLTE · Poor
AT&TNo signal
T-MobileLTE · Fair

FCC coverage data · signal varies in remote terrain