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United States

District Of Columbia

Dalecarlia Tunnel – Crossing Over the C&O Canal loop from Friendship Heights

Routes

Bike touring routes & trails

United States

District Of Columbia

Dalecarlia Tunnel – Crossing Over the C&O Canal loop from Friendship Heights

Moderate

4.8

(6373)

12,852

riders

Dalecarlia Tunnel – Crossing Over the C&O Canal loop from Friendship Heights

01:34

25.4km

180m

Cycling

Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: June 23, 2026

Tips

Includes a segment in which cycling is not permitted

After 20.1 km for 164 m

Waypoints

Start point

Train Station

Get Directions

5.02 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

9.01 km

The Georgetown Reservoir, built by the U.S. Army Corps of Engineers in the 1800s, remains an important part of Washington, D.C.'s water supply. The reservoir is easily seen from MacArthur Boulevard, where a sidewalk offers excellent views of its expansive waters and birdlife. Nearby, the Palisades Trolley Trail provides a scenic natural escape, ideal for spotting sparrows, warblers, and other birds during migration. Visitors can explore the historic Georgetown Castle Gatehouse. Pets are welcome on leashes, and parking is available along MacArthur Boulevard.

Tip by

10.9 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

12.8 km

Crossing Over the C&O Canal

Highlight • Bridge

It's just a shame that cycling is only allowed on the paved road. The many earthy trails to the right and left of the road are very tempting for a mountain biker. Unfortunately explicitly forbidden.

Translated by Google •

Tip by

20.8 km

Tastee Diner

Highlight • Restaurant

Old school diner right in the heart of Bethesda

Tip by

23.0 km

Little Falls Stream Valley Unit 2

Highlight • Trail

This small preserved area offers a shaded stretch with Little Falls Trail running along the creek. It’s mostly flat and a nice break from busier roads—great for an easy spin or connecting to the Capital Crescent Trail, which runs parallel to it.

Tip by

25.4 km

End point

Train Station

Way Types & Surfaces

Way Types

18.2 km

2.72 km

1.51 km

1.44 km

581 m

474 m

336 m

Surfaces

23.6 km

867 m

455 m

218 m

104 m

Elevation

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

Highest point (110 m)

Lowest point (10 m)

Weather

Saturday 4 July

39°C

27°C

-- %

Additional weather tips

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Comments

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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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Dalecarlia Tunnel – Crossing Over the C&O Canal loop from Friendship Heights

Dalecarlia Tunnel

Georgetown Reservoir

Fishing Shore Beach

Crossing Over the C&O Canal

Tastee Diner

Little Falls Stream Valley Unit 2

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