Black Rock Mill – Clopper Lake Shore Trail loop from Seneca Creek State Park

Bike touring routes & trails

United States

Maryland

Montgomery County

Black Rock Mill – Clopper Lake Shore Trail loop from Seneca Creek State Park

Moderate

3.4

(26)

riders

Black Rock Mill – Clopper Lake Shore Trail loop from Seneca Creek State Park

03:29

36.2km

410m

Cycling

Moderate bike ride. 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: August 27, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Seneca Creek State Park

Waypoints

Start point

Parking

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2.12 km

Autumn Forest in Seneca Creek State Park

Highlight • Forest

Seneca Creek State Park is a beautiful place to ride, especially during the fall when the landscape comes alive with color. Film fans might recognize it as a filming location for 'The Blair Witch Project'. Maybe don't visit at night...?

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2.65 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.

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4.26 km

Seneca Creek State Park

Highlight • Forest

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16.4 km

Woodland Canopy on the Lakeshore Trail, Seneca Creek State Park

Highlight (Segment) • Forest

Along this stretch of the Lakeshore Trail, you will pass through a beautiful woodland canopy. It's a nice break from the sun before passing or approaching the lake.

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16.7 km

Clopper Lake

Highlight • Lake

Trash cans have been removed from the park to prevent animals from being attracted or disease outbreaks. So remember to take a bag or something similar with you and take your rubbish home with you.

Translated by Google •

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17.7 km

Clopper Lake Shore Trail

Highlight (Segment) • Trail

The Lake Shore Trail offers an easy, scenic route with stunning views of Clopper Lake. As you walk, you'll enjoy panoramic lake vistas, peaceful surroundings, and shaded woodlands along the way.

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20.2 km

Clopper Lake

Highlight • Lake

Clopper Lake is the heart of Seneca Creek State Park and perfect for riding the loop trail around it. There are shady, grassy spots to rest, and you might spot …

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31.4 km

Seneca Ridge Trail

Highlight (Segment) • Trail

This trail winds its way along the ridge above Seneca Creek. It's a multi-use trail so keep your eyes open for mountain bikers. In general it's a well marked, tranquil walk through the woods, with nice views over the creek.

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