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Routes
Road cycling routes
United States
Maryland
Montgomery County
Gaithersburg

Seneca Creek loop

Moderate

3.2

(20)

48

riders

Seneca Creek loop

02:24

55.4km

510m

Road cycling

The Seneca Creek loop is a moderate 34.4-mile route in Seneca Creek State Park, best for mountain or hybrid bikes, with scenic views and his

Last updated: February 26, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Seneca Creek State Park

Hoyles Mill Conservation Park

Little Seneca Greenway Stream Valley Park

South Germantown Recreational Park

Waypoints

A

Start point

Parking

Get Directions

1

15.8 km

Seneca Schoolhouse

Highlight • Historical Site

Old Seneca Schoolhouse is a small 1800s school building tucked near the trails in Seneca Creek. It’s a cool little stop if you’re riding or hiking nearby—feels like stepping back …

Tip by

2

28.7 km

K2 Cafe

Highlight • Cafe

The coffee shop is definitely biker friendly, they have a bottle fill fountain inside, coffee and energy for the return trip and have a foot pump to top up!

Tip by

3

28.9 km

Poolesville Old Town Hall and Museum

Highlight • Historical Site

The former town hall is now a museum showcasing Poolesville's historic role during the Civil War. The museum displays artifacts found in the town and surrounding areas, encampment replicas, as well as drawings and pictures of individuals connected to Poolesville.

Tip by

4

44.6 km

South Germantown Recreational Park

Highlight • Rest Area

South Germantown Recreational Park is a very busy Montgomery Park. It is a large park that offers a variety of activities including hiking, biking, archery, miniature golf, swimming, soccer, picnicking, and adventure play along with many more.

Tip by

5

47.7 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

B

55.4 km

End point

Parking

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Way Types & Surfaces

Way Types

30.4 km

12.1 km

7.66 km

5.24 km

< 100 m

Surfaces

54.1 km

1.26 km

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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 (150 m)

Lowest point (60 m)

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This route was planned by komoot.

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Frequently Asked Questions

Is the Seneca Creek loop suitable for road cycling?

No, despite its name, the Seneca Creek loop is not generally suitable for traditional road cycling. The trail primarily consists of natural surfaces, with about 98% being unpaved. It features singletrack sections that are often tight, rooty, and rocky, making it much better suited for mountain bikes or hybrid bikes.

What is the terrain like on the Seneca Creek Greenway Trail?

The terrain is predominantly natural and unpaved, featuring singletrack sections that can be tight, rooty, and rocky. You'll encounter both flat stretches and hilly, steep portions, especially north of Watkins Mill Road. There are numerous stream and creek crossings, mostly via well-constructed bridges, but some 'at grade' crossings also exist. The trail varies in width, from narrow bike-tire width to a few feet of cut grass.

How difficult is this trail for biking?

The Seneca Creek Greenway Trail is generally rated as having moderate difficulty for biking. While some sections are easier, particularly between Route 355 and Watkins Mill, areas north of Watkins Mill are tougher due to significant roots and rocks. It offers an excellent workout with steep climbs and long, flowy downhills, demanding a good line and clear head from riders.

Where can I park to access the Seneca Creek loop?

There are numerous trailheads and parking locations along the Seneca Creek Greenway Trail, making it accessible from various points. Specific parking areas are available at different access points along the route.

Are dogs allowed on the Seneca Creek Greenway Trail?

Yes, the Seneca Creek Greenway Trail is generally dog-friendly. However, as a multi-use trail shared with hikers, mountain bikers, and equestrians, it's important to keep dogs on a leash and ensure they are well-behaved to respect other trail users and wildlife.

Do I need a permit or is there an entrance fee for Seneca Creek State Park?

Seneca Creek State Park, where this trail is located, typically has an entrance fee, especially during peak seasons or for out-of-state visitors. It's advisable to check the official Maryland Department of Natural Resources website for current fee schedules and any specific permit requirements for activities like mountain biking within the park.

What is the best time of year to visit the Seneca Creek loop?

Spring and fall are generally the best times to visit the Seneca Creek loop. The weather is milder, and the natural scenery is vibrant with spring blooms or fall foliage. Summer can be hot and humid, while winter may bring icy or muddy conditions, making some sections more challenging.

What historical sites or points of interest can I see along the route?

The trail offers a rich historical experience. You can pass by the former sites of Middlebrook Mills and Watkins Mill, with the mill race still visible. Other notable points include the Seneca Schoolhouse, Poolesville Old Town Hall and Museum, and Black Rock Mill.

Does the Seneca Creek Greenway Trail connect to other paths?

Yes, the Seneca Creek Greenway Trail is part of a broader network. It connects to other mountain biking areas within the Montgomery County trail system. Official trails along this route include sections of MDBR 28, MoCo Epic, MDBR 190, MoCoEpic South, and the Muddy Branch Greenway Trail, among others.

Are there any cafes or facilities near the trail?

Yes, there are facilities and places to grab a bite nearby. The South Germantown Recreational Park offers facilities, and you can find the K2 Cafe conveniently located for a refreshment stop.

What kind of scenery can I expect on the trail?

The trail offers diverse and scenic views. You'll traverse beautiful upland woodlands, enjoy spectacular overlooks of the Great Seneca Creek stream valley, and pass through meadows and open fields. The varied landscape provides a constantly changing backdrop for your ride.

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