Saw Mill Branch Tunnel – Cascade Falls loop from Catonsville

Routes

Hiking trails & Routes

Saw Mill Branch Tunnel – Cascade Falls loop from Catonsville

Moderate

2.6

(11)

hikers

Saw Mill Branch Tunnel – Cascade Falls loop from Catonsville

01:22

5.13km

50m

Hiking

Moderate hike. Great for any fitness level. Mostly accessible paths. Sure-footedness required. The starting point of the route is right next to a parking lot.

Last updated: August 18, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Patapsco Valley State Park

Waypoints

Start point

Parking

Get Directions

283 m

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 …

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305 m

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.

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808 m

Grist Mill Trail viewpoint

Highlight • Viewpoint

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

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1.68 km

Saw Mill Branch Tunnel

Highlight • Bridge

Short tunnel under the railway tracks where the Saw Mill Branch is floating through. It connects the Grist Mill Trail and Forest Glen Trail.

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2.16 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 …

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2.61 km

Cascade Falls

Highlight • Waterfall

Small waterfall created by Cascade Creek. Great place to take a break during the hike.

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2.94 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. …

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5.13 km

End point

Parking

Way Types & Surfaces

Way Types

4.56 km

443 m

< 100 m

Surfaces

3.82 km

443 m