3.0
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108
riders
Big Slackwater – Big Slackwater View loop from Martinsburg
10:44
144km
840m
Cycling
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.
Last updated: May 28, 2026
Tips
Includes a segment in which cycling is not permitted
After 59.7 km for 61 m
Waypoints
Start point
Train Station
Get Directions
15.7 km
View of the Potomac River from the Shepherdstown Bridge
Highlight • Viewpoint
Tip by
34.8 km
Dam No. 4
Highlight • Monument
Tip by
39.0 km
Big Slackwater
Highlight • Cycleway
Tip by
39.9 km
Potomac River Trail
Highlight • Trail
40.6 km
Big Slackwater View
Highlight • Trail
After a flood destroyed the …
Tip by
59.3 km
Chesapeake and Ohio Canal
Lake
59.7 km
Cushwa Basin
Lake
71.4 km
Dam Number 5
Highlight • Monument
Tip by
82.0 km
Big Pool
Highlight • Lake
Tip by
99.8 km
Buddy Lou's Restaurant
Highlight • Restaurant
Tip by
144 km
End point
Train Station
Way Types & Surfaces
Way Types
61.2 km
49.0 km
17.6 km
9.25 km
3.99 km
2.83 km
< 100 m
Surfaces
70.4 km
61.6 km
7.85 km
3.61 km
433 m
< 100 m
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Elevation
Highest point (200 m)
Lowest point (90 m)
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Weather
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Today
Thursday 2 July
39°C
23°C
0 %
Additional weather tips
Max wind speed: 11.0 km/h
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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
Description
If you're looking for a truly epic day on two wheels, the Big Slackwater – Big Slackwater View loop from Martinsburg delivers. This difficult touring cycling route spans 89.3 miles (143.8 km) with a substantial 2751 feet (838 metres) of elevation gain, taking around 10 hours and 44 minutes to complete. It's a serious undertaking for experienced cyclists seeking a challenging ride with unique historical and natural features.
What to expect on Big Slackwater – Big Slackwater View loop from Martinsburg
Expect a diverse landscape as you cycle along the Potomac River, with dramatic views of the river and its cliffs. The highlight is undoubtedly the Big Slackwater section of the C&O Canal Towpath, where you'll ride on elevated concrete walkways that seem to hover directly over the water. This unique 2.7-mile stretch, rebuilt after a flood, offers an unparalleled experience. The route features a mix of paved and unpaved sections, with some challenging segments that might even require pushing your bike. This loop is best for very fit touring cyclists who appreciate both natural beauty and rich history.
Planning your visit
Given the length and difficulty, planning your visit carefully is key. Start early in the day to allow ample time to complete the 10-hour and 44-minute journey. While specific parking details aren't provided, Martinsburg offers various access points to the wider cycling network. Be prepared for a full day out, carrying plenty of water and supplies, especially during warmer months. This route is best enjoyed in spring or fall when temperatures are milder.
Trail details
- Distance: 89.3 miles (143.8 km)
- Elevation gain: 2751 feet (838 metres)
- Difficulty: difficult
- Estimated time: 10 hours and 44 minutes
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