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Mountain biking trails
United States
Maryland
Montgomery County
Bethesda

Dalecarlia Tunnel – Potomac River loop from Medical Center

Routes
Mountain biking trails
United States
Maryland
Montgomery County
Bethesda

Dalecarlia Tunnel – Potomac River loop from Medical Center

Easy

3.3

(11)

41

riders

Dalecarlia Tunnel – Potomac River loop from Medical Center

01:35

28.5km

150m

Mountain biking

Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: September 10, 2026

Tips

Includes a segment in which cycling is not permitted

After 25.1 km for 135 m

Waypoints

A

Start point

Train Station

Get Directions
1

7.21 km

Dalecarlia Tunnel

Highlight • Structure

The Dalecarlia Tunnel runs the Capital Crescent Trail under the Washington Aqueduct and MacArthur Boulevard. It was built in 1910 as a railway tunnel and is now over 100 years old.

Translated by Google •

Tip by

2

11.3 km

Fishing Shore Beach

Highlight • Beach

Nestled beside the Capital Crescent Trail, this cozy fishing beach along the Potomac River invites cyclists to stop and recharge. A perfect spot to take a breather from your ride.

Tip by

3

14.2 km

Key Bridge Boathouse

Highlight • Rest Area

Boathouse where canoes, kayaks and stand-up paddle boards can be rented. Great way to explore the Potomac shoreline up and down stream.

Tip by

4

14.6 km

Potomac River

Highlight • River

The Potomac River, stretching 405 miles from the Potomac Highlands in West Virginia to Maryland's Chesapeake Bay, ranks as the fourth-largest river on the East Coast. Swimming is prohibited in …

Tip by

5

23.2 km

Loughborough Mill

Highlight • Historical Site

It was here that Nathan Loughborough built a mill around 1830 and participated in the growing wheat trade. It is reported that the mill ceased operations during the Civil War …

Translated by Google •

Tip by

B

28.5 km

End point

Train Station

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Way Types & Surfaces

Way Types

25.6 km

1.48 km

1.36 km

< 100 m

< 100 m

< 100 m

Surfaces

25.1 km

1.25 km

1.06 km

860 m

250 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 (110 m)

Lowest point (0 m)

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Weather

Powered by Foreca

Monday 5 October

23°C

13°C

-- %

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

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