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Routes
Mountain biking trails
United States
District Of Columbia

Dalecarlia Tunnel – Key Bridge Boathouse loop from Tenleytown–AU

Routes
Mountain biking trails
United States
District Of Columbia

Dalecarlia Tunnel – Key Bridge Boathouse loop from Tenleytown–AU

Easy

5.0

(2354)

10,708

riders

Dalecarlia Tunnel – Key Bridge Boathouse loop from Tenleytown–AU

01:38

27.1km

230m

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: February 17, 2026

Tips

Cycling is not permitted along parts of this route

After 1.45 km for 60 m

After 8.19 km for 335 m

Waypoints

A

Start point

Train Station

Get Directions

1

5.29 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

7.40 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

3

15.8 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

4

18.7 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

20.3 km

Lock 2

Lake

B

27.1 km

End point

Train Station

Loading

Way Types & Surfaces

Way Types

17.6 km

4.10 km

1.80 km

1.38 km

1.13 km

1.13 km

< 100 m

Surfaces

21.3 km

4.06 km

846 m

419 m

321 m

169 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 (120 m)

Lowest point (0 m)

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Weather

Powered by Foreca

Today

Tuesday 12 May

22°C

6°C

0 %

Additional weather tips

Max wind speed: 12.0 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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2

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