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Ilchester Tunnel – Lost Lake loop from Ilchester

Routes

Running trails & routes

Ilchester Tunnel – Lost Lake loop from Ilchester

Moderate

runners

Ilchester Tunnel – Lost Lake loop from Ilchester

01:09

9.54km

50m

Running

Moderate run. Good fitness required. Mostly accessible paths. Some sure footedness required. The starting point of the route is right next to a parking lot.

Last updated: December 11, 2025

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Tips

Your route passes through protected areas

Please check local regulations for:

Patapsco Valley State Park

Waypoints

Start point

Parking

Get Directions

268 m

Swinging Bridge on Grist Mill Trail

Highlight • Bridge

The Grist Mist Trail passes through the Patapsco Valley State Park, alongside the Patapsco River. For a large part of the trail it also passes alongside the railroad.

The surface …

Tip by

1.14 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 …

Tip by

2.44 km

Swinging Bridge, Patapsco Valley State Park

Highlight • Bridge

This popular swinging bridge crosses the Patapsco River. It is a wooden suspension bridge with metal cables.

On the bridge you'll have great views of the river and surrounding woodland. …

Tip by

5.08 km

Lost Lake

Highlight • Lake

Lost Lake is a small lake just north of the Patapsco River within Patapsco Valley State Park's Glen Artney Area. The lake often has various species of birds and vegetation to look at while you run.

Tip by

9.54 km

End point

Parking

Way Types & Surfaces

Way Types

8.38 km

539 m

266 m

206 m

145 m

Surfaces

5.73 km

2.90 km

403 m

383 m

118 m

Elevation

Weather

Today

Monday 15 December

-3°C

-9°C

27 %

If you start your activity now...

Max wind speed: 9.0 km/h

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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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Ilchester Tunnel – Lost Lake loop from Ilchester

Swinging Bridge on Grist Mill Trail

Ilchester Tunnel

Swinging Bridge, Patapsco Valley State Park

Lost Lake

Nearby routes

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