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Key Bridge Boathouse – Dalecarlia Tunnel loop from Tenleytown–AU

Key Bridge Boathouse – Dalecarlia Tunnel loop from Tenleytown–AU

Moderate

4.9

(7561)

12,912

riders

Key Bridge Boathouse – Dalecarlia Tunnel loop from Tenleytown–AU

01:18

28.5km

200m

Road cycling

Moderate road ride. Great for any fitness level. Some segments of this route may be unpaved and difficult to ride. The starting point of the route is accessible with public transport.

Last updated: July 10, 2026

Tips

Temporary access restrictions

Includes segments with temporary access restrictions.

After 19.9 km for 68 m

Permit required: • 8:00 AM-4:00 PM (otherwise open)

Waypoints

Start point

Train Station

Get Directions

5.33 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

7.18 km

This point marks the start of the 185-mile C&O Canal Towpath Trail that runs from Washington D.C. to Cumberland, Maryland. Originally built as a way for mules to tow boats along the canal, it is now converted into a multi-use trail for outdoor enthusiasts of all stripes.

Tip by

7.94 km

Capital Crescent Trail

Highlight (Segment) • Trail

The Capital Crescent Trail follows the north shoreline of the Potomac river downstream into Washington, D.C. Currently the trail is around 7 miles long, but there is an extension planned for the near future.

Tip by

11.4 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

15.5 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

19.8 km

Glen Echo Park

Highlight • Rest Area

Glen Echo Park is an arts and cultural center, just north of D.C.. A formerly privately owned amusement park, it is now operated by the National Park Services. It’s open throughout the year to the public.

Tip by

28.5 km

End point

Train Station

Way Types & Surfaces

Way Types

15.9 km

7.06 km

3.48 km

1.14 km

656 m

258 m

Surfaces

26.0 km

1.49 km

930 m

< 100 m

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)

Weather

Today

Thursday 16 July

37°C

27°C

10 %

Additional weather tips

Max wind speed: 18.0 km/h

to get more detailed weather forecasts along your route

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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Key Bridge Boathouse – Dalecarlia Tunnel loop from Tenleytown–AU

Key Bridge Boathouse

C&O Canal Mile Marker 0

Capital Crescent Trail

Fishing Shore Beach

Dalecarlia Tunnel

Glen Echo Park

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