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Routes
United States
Maryland
Montgomery County
Darnestown

Seneca Quarry Stone Mill Ruins – Historic White’s Ferry (Out of service) loop from Seneca

Routes
United States
Maryland
Montgomery County
Darnestown

Seneca Quarry Stone Mill Ruins – Historic White’s Ferry (Out of service) loop from Seneca

Moderate

4.6

(4981)

12,110

riders

Seneca Quarry Stone Mill Ruins – Historic White’s Ferry (Out of service) loop from Seneca

02:28

43.6km

70m

Gravel riding

Moderate gravel 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 13, 2026

Tips

Includes segments that go up or down a series of steps

You may need to carry your bike.

After 261 m for 7 m

After 43.4 km for 7 m

Waypoints

A

Start point

Parking

Get Directions

1

287 m

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

2

703 m

Seneca Quarry Stone Mill Ruins

Highlight • Historical Site

Built in 1837 by the Seneca Sandstone Company, this mill was created to process the distinctive red sandstone quarried nearby. Today, the ruins, easily spotted by their red sandstone walls, …

Tip by

3

13.3 km

Chisel Branch Primitive Campsite

Highlight • Rest Area

The Chisel Branch Campsite is a hiker-biker campsite named after for a stream that crosses beneath the canal approximately half a mile from the site. Amenities include a chemical toilet, water, picnic table, and grill

Tip by

4

13.8 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

5

22.2 km

Whites Ferry C&O access

Highlight • Rest Area

Add this as a stop on your itinerary riding the C&O canal tow path.

Tip by

6

22.3 km

Whites Ferry Store and Grill

Highlight • Restaurant

Restaurant with sandwiches made when you order and all day breakfast plus a convenience store section with drinks, candy bars, chips, ice cream, beer, aspirin, fishing items, etc.

Tip by

7

22.4 km

White's Ferry is not active due to a ongoing lawsuit, but the Grill nearby is still worth the trip

Tip by

8

38.2 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

B

43.6 km

End point

Parking

Loading

Way Types & Surfaces

Way Types

33.3 km

7.59 km

2.08 km

639 m

< 100 m

< 100 m

Surfaces

34.4 km

7.78 km

666 m

554 m

247 m

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Elevation

Elevation

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

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Weather

Powered by Foreca

Today

Saturday 29 August

28°C

17°C

0 %

Additional weather tips

Max wind speed: 13.0 km/h

to get more detailed weather forecasts along your route

Comments

July 27, 2024,Pennyfield to white’s ferry: last shakedown ride for the GAP trail!
The boys are ready. They were able to do the ride at 13mph average!
Stopped for lunch. The boys are getting stronger and faster!
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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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