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Washington County

Big Slackwater View – Big Slackwater loop from Antietam National Battlefield

Washington County

Big Slackwater View – Big Slackwater loop from Antietam National Battlefield

Hard

3.4

(1)

96

riders

Big Slackwater View – Big Slackwater loop from Antietam National Battlefield

08:50

112km

430m

Gravel riding

Hard gravel ride. Very 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: August 13, 2026

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

40.4 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

2

41.2 km

Potomac River Trail

Highlight • Trail

3

42.0 km

Big Slackwater

Highlight • Cycleway

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

Tip by

4

46.2 km

Dam 4 C&O

Highlight • Monument

Great spot to see the Dam.

Tip by

5

83.2 km

Chesapeake & Ohio Canal National Historical Park Lock 34

Highlight • Historical Site

6

84.7 km

Harpers Ferry Tunnel and Railroad Bridges

Highlight • Bridge

From here, you can look up at the West Portal of the Harpers Ferry Tunnel. The tunnel is part of the B & O Railroad Potomac River Crossing, which is …

Tip by

7

84.7 km

Staircase and bridge from trail to Harper's Ferry

Highlight • Bridge

to get from trail to Harper's Ferry, you have to go up these stairs. There are bike racks at the base, or you carry your bike up with you

Tip by

8

85.4 km

View of Potomac River Rapids (C&O Canal Towpath)

Highlight • Viewpoint

One of my favorite rides! The trail is well maintained and smooth. So many spots to rest and take breathtaking pics

Tip by

B

112 km

End point

Parking

Way Types & Surfaces

Way Types

91.5 km

12.2 km

4.46 km

2.83 km

1.54 km

Surfaces

87.1 km

10.6 km

9.09 km

5.13 km

666 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (150 m)

Lowest point (70 m)

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Weather

Powered by Foreca

Today

Monday 31 August

31°C

21°C

25 %

Additional weather tips

Max wind speed: 12.0 km/h

to get more detailed weather forecasts along your route

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