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Big Slackwater View – Big Slackwater loop from Martinsburg

Big Slackwater View – Big Slackwater loop from Martinsburg

Hard

5.0

(2)

43

riders

Big Slackwater View – Big Slackwater loop from Martinsburg

10:25

142km

650m

Gravel riding

Hard gravel ride. Very good fitness required. Mostly paved surfaces. The starting point of the route is accessible with public transport.

Last updated: November 9, 2026

Tips

Includes a segment in which cycling is not permitted

After 27.5 km for 54 m

Waypoints

A

Start point

Train Station

27.3 km

Potomac River Reservoir

Lake

2

39.1 km

Dam Number 5

Highlight • Monument

Dam No. 5 is located along the C&O Canal Towpath near mile 106, between Williamsport and Hancock, Maryland. Constructed between 1833 and 1835, it was built to raise water levels …

Tip by

48.9 km

Fort Frederick State Park

Nature Reserve

70.4 km

Chesapeake and Ohio Canal

Lake

5

89.0 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

6

89.8 km

Potomac River Trail

Highlight • Trail

7

90.6 km

Big Slackwater

Highlight • Cycleway

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

Tip by

8

94.8 km

Dam 4 C&O

Highlight • Monument

Great spot to see the Dam.

Tip by

9

94.8 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

10

119 km

Antietam Aqueduct

Highlight • Bridge

The Antietam Aqueduct, located at mile 69.4 of the C&O Canal Towpath, is a three-arch stone aqueduct that once carried the canal over Antietam Creek. Built in 1834, it is …

Tip by

11

125 km

View of the Potomac River from the Shepherdstown Bridge

Highlight • Viewpoint

Scenic views from the bridge crossing the bridge from West Virginia to Maryland. The MD-side of the bridge offers access to the C&O Canal tow path.

Tip by

B

142 km

End point

Train Station

Way Types & Surfaces

Way Types

87.7 km

22.7 km

17.8 km

7.69 km

4.04 km

2.06 km

< 100 m

Surfaces

88.3 km

28.9 km

17.0 km

3.95 km

3.74 km

133 m

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Elevation

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

Highest point (160 m)

Lowest point (90 m)

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Weather

Powered by Foreca

Today

Monday 9 November

16°C

6°C

0 %

Additional weather tips

Expect light wind and shifting conditions.

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