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United States
Maryland
Montgomery County
Darnestown

Black Rock Mill – Schaeffer Farm Trail System loop from Seneca

Routes
United States
Maryland
Montgomery County
Darnestown

Black Rock Mill – Schaeffer Farm Trail System loop from Seneca

Hard

4.8

(7689)

17,031

riders

Black Rock Mill – Schaeffer Farm Trail System loop from Seneca

04:23

79.2km

660m

Gravel riding

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: June 27, 2026

Tips

Includes a segment that goes up or down a series of steps

You may need to carry your bike.

After 79.0 km for 7 m

Waypoints

A

Start point

Parking

Get Directions

1

9.56 km

Black Rock Mill

Highlight • Historical Site

Just the walls remain of the 1815 Black Rock saw- and gristmill in Seneca Creek State Park. The structure was stabilized and representations of mill machinery were added in 1980.

Tip by

2

12.2 km

Schaeffer Farm Trail System

Highlight • MTB Park

Schaeffer Farm Trail System is located in the heart of Seneca Creek State Park. No matter what you are up to, you will find it here: a small after work …

Tip by

19.9 km

Boyds Local Park

Nature Reserve

4

39.2 km

View towards Dickerson and Point of Rocks

Tip by

5

48.6 km

Chesapeake and Ohio Canal Trail

Highlight (Segment) • Trail

A lovely gravel and dirt trail that remains in decent condition year round. With the canal on one side, and the river on the other, you are immersed in a lovely landscape with plenty of wildlife to see.

Tip by

6

52.0 km

Giant maple tree sheltering Lock 26

Highlight • Natural Monument

This amazing tree stands witness over this truly historic site and invites to stop for a picnic.

Tip by

58.1 km

Ruins

Ruins

8

66.0 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

9

73.8 km

Horsepen Branch Primitive Campsite

Highlight • Rest Area

The Horse Pen Branch campsite is a hiker/biker campsite not accessible by car. Amenities include a chemical toilet, water, picnic table, and grill.

Tip by

10

79.0 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

B

79.2 km

End point

Parking

Loading

Way Types & Surfaces

Way Types

35.0 km

32.3 km

8.99 km

2.18 km

641 m

< 100 m

< 100 m

Surfaces

32.3 km

19.3 km

18.1 km

9.02 km

457 m

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Elevation

Elevation

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

Highest point (280 m)

Lowest point (60 m)

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Weather

Powered by Foreca

Today

Thursday 16 July

36°C

26°C

11 %

Additional weather tips

Max wind speed: 16.0 km/h

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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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