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Little Falls Dam – Dalecarlia Tunnel loop from Congressional Country Club

Routes

Mountain biking trails

Little Falls Dam – Dalecarlia Tunnel loop from Congressional Country Club

Moderate

4.9

(7636)

7,818

riders

Little Falls Dam – Dalecarlia Tunnel loop from Congressional Country Club

02:28

38.3km

220m

Mountain biking

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

Last updated: May 19, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Chesapeake and Ohio Canal National Historical Park

Cabin John Stream Valley Park

Little Falls Stream Valley Park

Waypoints

Start point

Bus stop

Get Directions

9.75 km

Little Falls Dam

Highlight • Monument

The Little Falls Dam is a low dam built in the Potomac in 1959. It now separates the Upper Potomac River and Lower Potomac River, forming the Little Falls Reservoir. …

Translated by Google •

Tip by

10.3 km

Lock 6, Chesapeake and Ohio Canal

Highlight • Monument

One of the locks (#6 of 75) on the Chesapeake and Ohio Canal. These should ensure the shipping traffic between Cumberland and Washington to transport coal.
The lock keeper's houses …

Translated by Google •

Tip by

10.6 km

Chesapeake and Ohio Canal

Lake

12.7 km

View of the Potomac River from the Chain Bridge

Highlight • Viewpoint

One of the best way to cross from Virginia over to the D.C./Maryland side: cycling over the Chain Cross Bridge. Offers fabulous views over the rough part of the Potomac, …

Tip by

17.5 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

19.6 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

32.3 km

Chesapeake and Ohio Canal Trail

Highlight (Segment) • Trail

The Chesapeake and Ohio (C&O) Canal Trail is a 184.5 miles trail that runs alongside the C&O Canal. It is made of a mix of dirt and gravel. As it …

Tip by

36.4 km

Cabin John Trail

Highlight (Segment) • Trail

This stretch of trail runs through the woods away from the busy road. This is a small part of the trail that runs through the length of Cabin John Stream Valley Park.

Tip by

38.3 km

End point

Bus stop

Way Types & Surfaces

Way Types

19.8 km

14.4 km

1.53 km

1.44 km

873 m

250 m

Surfaces

15.0 km

12.1 km

7.77 km

3.18 km

195 m

Elevation

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

Weather

Today

Monday 8 June

28°C

18°C

0 %

Additional weather tips

Max wind speed: 20.0 km/h

to get more detailed weather forecasts along your route

Comments

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Little Falls Dam – Dalecarlia Tunnel loop from Congressional Country Club

Little Falls Dam

Lock 6, Chesapeake and Ohio Canal

View of the Potomac River from the Chain Bridge

Dalecarlia Tunnel

Loughborough Mill

Chesapeake and Ohio Canal Trail

Cabin John Trail

Nearby routes

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