Routes

Planner

Features

Updates

App

Get the App

Routes

Mountain biking trails

Riley’s lock – Pennyfield Lock loop from Bethesda

Routes

Mountain biking trails

Riley’s lock – Pennyfield Lock loop from Bethesda

Hard

4.8

(3332)

14,089

riders

Riley’s lock – Pennyfield Lock loop from Bethesda

07:15

94.7km

280m

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: May 18, 2026

Tips

Includes a segment in which cycling is not permitted

After 10.1 km for 296 m

Waypoints

Start point

Train Station

Get Directions

5.54 km

Wagshal's Grand Bodega

Highlight • Cafe

Great inexpensive food, close to the C&O and Crescent trails.

Tip by

6.47 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

7.18 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

Cedar Island Conservation Park

Nature Reserve

11.8 km

Chesapeake and Ohio Canal

Lake

18.7 km

Widewater

Lake

20.7 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

31.2 km

Dierrsen Wildlife Management Area

Nature Reserve

34.8 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

47.7 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

65.8 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

75.1 km

Viewpoint

91.5 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

94.7 km

End point

Train Station

Way Types & Surfaces

Way Types

82.5 km

10.5 km

924 m

475 m

254 m

187 m

Surfaces

50.7 km

30.4 km

11.2 km

1.46 km

1.02 km

< 100 m

Elevation

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

Highest point (110 m)

Lowest point (10 m)

Weather

Sunday 28 June

24°C

21°C

-- %

Additional weather tips

Max wind speed: -- km/h

to get more detailed weather forecasts along your route

Comments

Want to know more?

Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

Navigate

Send to Phone

Save

Edit route

Download GPX

Move start point

Embed on a website

Report an Issue

Report restricted access

Nearby routes

Easy

Seneca Creek Greenway to Clopper Lake Loop

01:02h

11.8km

80m

Easy

Schaeffer Farms Blue and Yellow Loop

00:24h

4.49km

60m

Moderate

4.3

Crowsfoot and Viper Loop Trail

00:56h

11.4km

100m

Moderate

5.0

MoCo Epic

04:11h

50.7km

390m

Moderate

4.6

Needwood Loop

02:25h

31.6km

170m

Moderate

4.5

Wakefield Park MTB Trail

00:32h

6.91km

40m

Moderate

5.0

Rails to River Trail

00:38h

7.38km

60m

Easy

4.0

Schaeffers Farm Loop

01:12h

14.0km

130m

Easy

Accotink Loop Trail

00:27h

5.36km

40m

Moderate

Potomac Heritage National Scenic Trail

03:10h

38.6km

210m

Moderate

5.0

104

Lake Fairfax Park Trail System – Lake Fairfax Park loop from Reston Town Center

01:32h

20.1km

170m

Hard

5.0

Black Rock Mill – Pennyfield Lock loop from Boyds

05:56h

69.8km

640m

Riley’s lock – Pennyfield Lock loop from Bethesda

Wagshal's Grand Bodega

Lock 6, Chesapeake and Ohio Canal

Little Falls Dam

Start of the Great Falls Foot Trail

Riley’s lock

Lockhouse 25

Pennyfield Lock

Loughborough Mill

Nearby routes

Sign up or log in to keep exploring this route

We value your privacy ⛰️

We value your privacy ⛰️