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Routes
Road cycling routes
United States
Maryland
Montgomery County
Bethesda

Dalecarlia Tunnel – Key Bridge Boathouse loop from Bethesda

Routes
Road cycling routes
United States
Maryland
Montgomery County
Bethesda

Dalecarlia Tunnel – Key Bridge Boathouse loop from Bethesda

Moderate

2.7

(12)

82

riders

Dalecarlia Tunnel – Key Bridge Boathouse loop from Bethesda

01:08

26.2km

140m

Road cycling

Moderate road ride. Great for any fitness level. Some segments of this route may be unpaved and difficult to ride. The starting point of the route is accessible with public transport.

Last updated: April 30, 2026

Tips

The surface along some of this route may not be suitable

Some segments of your route comprise a surface that may not be suitable for your chosen sport.

After 11.9 km for 90 m

After 14.2 km for 669 m

Waypoints

A

Start point

Train Station

Get Directions

1

5.37 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

12.2 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

3

13.3 km

Capital Crescent Trail

Highlight (Segment) • Trail

The Capital Crescent Trail follows the north shoreline of the Potomac river downstream into Washington, D.C. Currently the trail is around 7 miles long, but there is an extension planned for the near future.

Tip by

4

19.4 km

Dalecarlia Tunnel on the Capital Crescent Trail

Highlight (Segment) • Structure

Relatively wide path with no crossings and it's all downhill so very easy. But, it can be pretty crowded.

Tip by

B

26.2 km

End point

Train Station

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Way Types & Surfaces

Way Types

24.2 km

931 m

767 m

255 m

< 100 m

Surfaces

24.4 km

821 m

806 m

146 m

< 100 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

Today

Monday 25 May

23°C

16°C

86 %

Additional weather tips

Max wind speed: 8.0 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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4.0

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