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Running trails & routes

Montgomery County

Capital Crescent Trail – Dalecarlia Tunnel loop from Bethesda

Running trails & routes

Montgomery County

Capital Crescent Trail – Dalecarlia Tunnel loop from Bethesda

Moderate

4.9

(4730)

10,964

runners

Capital Crescent Trail – Dalecarlia Tunnel loop from Bethesda

00:49

7.86km

50m

Running

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

Last updated: August 19, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Little Falls Stream Valley Park

Waypoints

A

Start point

Bus stop

1

1.35 km

Capital Crescent Trail

Highlight (Segment) • Trail

This popular 7-mile, multi-use trail, travels between Bethesda, Maryland and Georgetown in Washington D.C. It is a very popular path for walkers, runners, and cyclists so be courteous to your …

Tip by

2

3.81 km

Dalecarlia Tunnel

Highlight (Segment) • Structure

The Dalecarlia Tunnel, completed in 1910, is part of the Capital Crescent Trail and was originally built as a railroad tunnel. This is a very popular destination for walkers, runners, and cyclists, so be prepared to share the path.

Tip by

3

3.94 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

B

7.86 km

End point

Bus stop

Way Types & Surfaces

Way Types

6.55 km

1.31 km

Surfaces

7.49 km

373 m

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Elevation

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Weather

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Monday 5 October

23°C

14°C

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