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United States
Maryland
Washington County

Big Slackwater View – Big Slackwater loop from Antietam Overlook

Routes
Bike touring routes & trails
United States
Maryland
Washington County

Big Slackwater View – Big Slackwater loop from Antietam Overlook

Moderate

41

riders

Big Slackwater View – Big Slackwater loop from Antietam Overlook

04:57

63.9km

290m

Cycling

Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: December 12, 2025

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Tips

Your route passes through protected areas

Please check local regulations for:

Chesapeake and Ohio Canal National Historical Park

Waypoints

A

Start point

Parking

Get Directions

1

4.83 km

Chesapeake and Ohio Canal

Lake

2

11.9 km

Cumberland Valley campsite

Highlight • Rest Area

nice flat site, easy access to trail. Fairly quiet

Tip by

3

23.5 km

McMahons Mill and View of Big Slackwater

Highlight • Historical Site

From this spot near McMahon’s Mill, you get great views of Big Slackwater. McMahon’s Mill used a steel wheel in the early 20th century to generate electricity. The mill closed …

Tip by

4

23.5 km

Big Slackwater View

Highlight • Trail

Big Slackwater is a deep, smooth area of the C&O canal. It is the place that canal boats used to be launched into the canal.

After a flood destroyed the …

Tip by

5

24.2 km

Big Slackwater

Highlight • River

6

24.3 km

Potomac River Trail

Highlight • Trail

7

25.1 km

Big Slackwater

Highlight • Cycleway

Ride in the morning or weekday, if possible. can get busy on weekends.

Tip by

8

29.3 km

Dam No. 4

Highlight • Monument

Dam No. 4 is located around mile 84 of the C&O Canal Towpath. Built in 1856, this dam was crucial for maintaining water levels for canal operations and remains an …

Tip by

9

36.9 km

Horseshoe Bend campsite

Highlight • Rest Area

B

63.9 km

End point

Parking

Way Types & Surfaces

Way Types

31.8 km

14.2 km

10.9 km

3.77 km

1.53 km

1.28 km

381 m

Surfaces

32.0 km

14.5 km

10.9 km

3.77 km

2.75 km

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Elevation

Elevation

Highest point (170 m)

Lowest point (90 m)

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Weather

Powered by Foreca

Today

Friday 19 December

14°C

-2°C

46 %

Additional weather tips

Max wind speed: 38.0 km/h

to get more detailed weather forecasts along your route

Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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