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Lost Lake – Patapsco Valley State Park loop from Saint Denis

Routes

Bike touring routes & trails

Lost Lake – Patapsco Valley State Park loop from Saint Denis

Moderate

3.4

(30)

riders

Lost Lake – Patapsco Valley State Park loop from Saint Denis

01:36

25.4km

210m

Cycling

Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: June 16, 2026

Tips

Includes a segment in which cycling is not permitted

After 19.7 km for 87 m

Waypoints

Start point

Train Station

Get Directions

3.31 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 ride.

Tip by

5.61 km

Swinging Bridge and Patapsco Riverbank

Highlight • Bridge

The Patapsco River flows through central Maryland and into the Chesapeake Bay.

The river is known as the River of History as it played an essential role in Maryland's Industrial …

Tip by

6.88 km

Viewpoint

7.33 km

Swinging Bridge – Grist Mill Trail

Highlight (Segment) • Bridge

The Grist Mill Trail crosses over the Patapsco River here. You get a great view over the water from here too.

Tip by

7.40 km

Swinging Bridge on Grist Mill Trail

Highlight • Bridge

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

It is best …

Tip by

8.50 km

Patapsco Valley State Park

Highlight • Forest

The Patapsco Valley was Maryland's first and remains its largest state park. The 14,000 acres (5,700 ha) are made up of forests, winding rivers and cascading waterfalls.

It's a great …

Tip by

17.7 km

Ilchester Road Access to Ridge Trail and Orange Grove, Patapsco Valley State Park

Highlight • Trail

The Ilchester Road access point to the Ridge Trail offers a thrilling start for cyclists exploring Patapsco Valley State Park. Expect a steep, technical climb with rocky sections, rewarding you …

Tip by

19.8 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

25.4 km

End point

Train Station

Way Types & Surfaces

Way Types

9.56 km

6.11 km

6.05 km

3.36 km

328 m

Surfaces

16.3 km

8.68 km

245 m

172 m

Elevation

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

Highest point (140 m)

Lowest point (10 m)

Weather

Today

Thursday 16 July

37°C

24°C

12 %

Additional weather tips

Max wind speed: 20.0 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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Lost Lake – Patapsco Valley State Park loop from Saint Denis

Lost Lake

Swinging Bridge and Patapsco Riverbank

Swinging Bridge – Grist Mill Trail

Swinging Bridge on Grist Mill Trail

Patapsco Valley State Park

Ilchester Road Access to Ridge Trail and Orange Grove, Patapsco Valley State Park

Swinging Bridge, Patapsco Valley State Park

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