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Mountain biking trails

Great Falls Overlook – Pennyfield Lock loop from East Falls Church

Routes

Mountain biking trails

Great Falls Overlook – Pennyfield Lock loop from East Falls Church

Hard

4.8

(3332)

14,089

riders

Great Falls Overlook – Pennyfield Lock loop from East Falls Church

07:36

104km

430m

Mountain biking

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

Last updated: August 19, 2026

Tips

Includes a segment in which cycling is not permitted

After 15.6 km for 310 m

Waypoints

Start point

Train Station

Get Directions

10.5 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

12.6 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

15.7 km

Cedar Island Conservation Park

Nature Reserve

19.7 km

Chesapeake and Ohio Canal

Lake

24.2 km

Widewater

Lake

26.3 km

Start of the Great Falls Foot Trail

Highlight • Trail

The Great Falls of the Potomac is a place with various rapids and small falls in the Potomac. The place marked here may only be entered on foot. Bicycles and dogs 😜 must stay outside.

Translated by Google •

Tip by

26.3 km

Great Falls Overlook

Highlight • Viewpoint

This is a spectacular waterfall on the Potomac River. Water gushes over a series of jagged rocks and flows through the Mather Gorge.

Tip by

36.9 km

Dierrsen Wildlife Management Area

Nature Reserve

40.5 km

Riley’s lock

Highlight • Monument

Riley’s Lock is a fun, happening place. Every time I pass by it is bustling with activity. There are two row boat clubs along Seneca creek. There are kayak, jet …

Tip by

53.4 km

Lockhouse 25

Highlight • Historical Site

This Lockhouse saw the Civil War unfold as the two sides crossed from one side of the river to the other. It can now be rented as a base camp for your cycling excursions in the area.

Tip by

71.4 km

Lock 22, aka Pennyfield Lock, was built between 1829 and 1831, and the name came from the misspelling of the Pennifield family name. It has been restored and offers overnight stays to recreate the rustic feeling from that period.

Tip by

80.8 km

Viewpoint

94.3 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

104 km

End point

Train Station

Way Types & Surfaces

Way Types

85.9 km

13.6 km

1.69 km

1.27 km

779 m

406 m

Surfaces

64.1 km

19.5 km

15.9 km

2.80 km

1.40 km

Elevation

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

Highest point (120 m)

Lowest point (10 m)

Weather

Today

Tuesday 1 September

35°C

22°C

12 %

Additional weather tips

Max wind speed: 17.0 km/h

to get more detailed weather forecasts along your route

Comments

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Great Falls Overlook – Pennyfield Lock loop from East Falls Church

Dalecarlia Tunnel

Little Falls Dam

Start of the Great Falls Foot Trail

Great Falls Overlook

Riley’s lock

Lockhouse 25

Pennyfield Lock

Lock 6, Chesapeake and Ohio Canal

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