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Mountain biking trails

Gray's Mill Trailhead – Ilchester Tunnel loop from University of Maryland Baltimore County

Routes

Mountain biking trails

Gray's Mill Trailhead – Ilchester Tunnel loop from University of Maryland Baltimore County

Hard

3.5

(7)

riders

Gray's Mill Trailhead – Ilchester Tunnel loop from University of Maryland Baltimore County

02:02

20.0km

440m

Mountain biking

Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike. The starting point of the route is accessible with public transport.

Last updated: July 17, 2026

Tips

Includes a segment in which cycling is not permitted

After 85 m for 58 m

Waypoints

Start point

Bus stop

Get Directions

3.60 km

Patapsco Valley State Park Glen Artney Area

Highlight • Forest

This is one of the most popular, well-known parts of Patapsco Valley State Park. There's a nice picnic area, and miles of unpaved trails that are great for walking and running. Keep an eye out for burbling streams and even a few small waterfalls near the trail.

Tip by

8.93 km

Gray's Mill Trailhead

Highlight • Trail

This area of Patapsco Park is less frequently trafficked, but just as pleasant as the southern trail system. A true hidden gem! There are a few small stream crossings and plenty of interconnected trails to explore.

Tip by

9.94 km

Ilchester Tunnel

Highlight • Monument

If you’re looking for a thrilling trail running experience, you might want to check out the Ilchester Tunnel in Catonsville, Maryland. This viewpoint on the 1.7-mile loop trail takes you over the historic tunnel that was built in 1903 for the Baltimore & Ohio Railroad. You can enjoy the views of the Patapsco River and the forest.

Tip by

10.4 km

Grist Mill Trail viewpoint

Highlight • Viewpoint

Here you can find a bench where you can sit and enjoy views of the Patapsco River.

Tip by

11.5 km

Ilchester Rocks

Highlight • Viewpoint

Nice viewpoint just a few meters away from Buzzards Rock Trail.

Tip by

13.2 km

Patapsco Valley State Park Hilton Area

Highlight • Forest

Patapsco Valley State Park Hilton Area invites with its scenic beauty along the Patapsco River. Trails weave through wooded landscapes, offering a perfect blend of nature and recreation for visitors.

Tip by

20.0 km

End point

Bus stop

Way Types & Surfaces

Way Types

16.0 km

2.86 km

633 m

280 m

256 m

Surfaces

17.8 km

1.13 km

608 m

297 m

174 m

< 100 m

Elevation

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

Highest point (120 m)

Lowest point (20 m)

Weather

Today

Wednesday 22 July

31°C

21°C

32 %

Additional weather tips

Max wind speed: 21.0 km/h

to get more detailed weather forecasts along your route

Comments

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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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Gray's Mill Trailhead – Ilchester Tunnel loop from University of Maryland Baltimore County

Patapsco Valley State Park Glen Artney Area

Gray's Mill Trailhead

Ilchester Tunnel

Grist Mill Trail viewpoint

Ilchester Rocks

Patapsco Valley State Park Hilton Area

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