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United States
Maryland
Montgomery County
Bethesda

Capital Crescent Trail – Dalecarlia Tunnel loop from Bethesda

Routes
Running trails & routes
United States
Maryland
Montgomery County
Bethesda

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

7.85km

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: May 17, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Little Falls Stream Valley Park

Waypoints

A

Start point

Bus stop

Get Directions

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

7.85 km

End point

Bus stop

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Way Types & Surfaces

Way Types

6.54 km

1.31 km

Surfaces

7.48 km

373 m

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Elevation

Elevation

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Weather

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Today

Saturday 27 June

32°C

22°C

77 %

Additional weather tips

Max wind speed: 10.0 km/h

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Description

If you're looking for a highly accessible and scenic jogging route near Bethesda, the Capital Crescent Trail – Dalecarlia Tunnel loop delivers. This moderate 4.9-mile (7.9 km) loop, with a gentle 150 feet (46 metres) of elevation gain, can be completed in about 48 minutes, making it an ideal choice for a quick, rewarding workout or a leisurely run. It's one of the most popular trails for jogging in the area, perfect for anyone seeking an easy high-payoff experience.

What to expect on Capital Crescent Trail – Dalecarlia Tunnel loop from Bethesda

This route offers a journey through varied landscapes, primarily on a well-maintained paved surface. As you jog from Bethesda towards the Dalecarlia Tunnel, you'll find yourself immersed in lushly wooded sections, providing a welcome sense of escape from urban life. The trail occasionally parallels the scenic C&O Canal and the Potomac River, offering pleasant water views and even distant glimpses of the Washington Monument. The highlight is undoubtedly the historic Dalecarlia Tunnel, a 340-foot-long brick structure that adds a unique, historical element to your run. While there's a gradual, almost continuous slight uphill grade when heading north towards Bethesda, the overall elevation change is spread out, making it an easy and enjoyable experience suitable for all skill levels.

Planning your visit

This specific segment of the Capital Crescent Trail from Bethesda through the Dalecarlia Tunnel is fully open, with no reported closures affecting your run. Water is often available at designated locations, such as near the Dalecarlia Filtration Plant (mile marker 6.5), though it's wise to consider seasonal closures. Given its popularity, the trail can be busy, so an early start might offer a more serene experience. The trail's accessibility from Bethesda makes it a convenient option for local joggers.

Trail details

  • Distance: 4.9 miles (7.9 km)
  • Elevation gain: 150 feet (46 metres)
  • Difficulty: moderate
  • Estimated time: 48 minutes

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