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United States
Maryland
Montgomery County

Black Rock Mill loop from Quince Orchard Valley

Routes
Running trails & routes
United States
Maryland
Montgomery County

Black Rock Mill loop from Quince Orchard Valley

Expert

8

runners

Black Rock Mill loop from Quince Orchard Valley

02:28

23.2km

270m

Expert run. 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: September 3, 2025

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Waypoints

A

Start point

Parking

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1

9.99 km

Seneca Creek State Park

Nature Reserve

2

11.6 km

Black Rock Mill

Highlight • Historical Site

The Black Rock Mill is just off the side of the Seneca Greenway and Seneca Ridge Trail within Seneca Creek State Park. The structure is a reminder of the work that was done in the area in the 1800s.

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B

23.2 km

End point

Parking

Way Types & Surfaces

Way Types

21.6 km

1.25 km

250 m

103 m

Surfaces

21.0 km

1.28 km

622 m

326 m

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Elevation

Elevation

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Tuesday 28 October

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