Patapsco Saw Mill Trail is a 1.8 mile moderately trafficked loop trail located near Catonsville, Maryland that features a waterfall and is rated as moderate. The trail is primarily used for hiking, running, nature trips, and bird watching and is best used from March until October. Dogs are also able to use this trail but must be kept on leash.

Length1.8 miElevation gain167 ftRoute typeLoop
Dogs on leashHikingNature tripsBird watchingRunningForestRiverViewsWaterfallWildflowersWildlifeBlowdownMuddyRockyScrambleSnowWashed outOff trailFee
Description
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Patapsco Valley State Park charges a fee to enter. The fee is $5 per vehicle. The Saw Mill Trail (red) has an up or down terrain pending your direction and features a stone tunnel you walk through if you start at the Swinging Bridge and walk up from the Grist Mill trail, there is a stream crossing at the very top of the trail where this main section ended. Beware of rainy conditions because you may NOT be able to cross safely. The trail is a foot traffic only due to being narrow and on the side of the mountain. There are roots, rocks, down trees and boulders to climb over. Tricky trail when wet and muddy. At the top of this section you can turn left and connect to the Sawmill Branch, which will take you to the HILLTOP area. If you cross the stream and go right you connect to the Santee Trail (White), which takes you up to the HILTON area.

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Reviews (144)
Photos (621)
Recordings (165)
Completed (372)
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Kati Milter
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Hiking

Muddy

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Rob Parry
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Running
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Ivan Locke
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Hiking
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Sean Kimmons
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Hiking
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Sara Clauss
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Hiking

fun. a little challenging at times

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Logan Connor
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Hiking
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Kenneth Grimm
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HikingGreat!MuddyRockyScramble

Our RECORDING of 2 point 8 miles was a chilly one. - The park continues to remain crowded. - We parked at the Swinging Bridge. - Today's loop hike included a section we have never done before. - We started by heading up the Grist Mill to the Saw Mill Trail. - We did the boulder hop along the old section then continued up the Santee Branch trail to the Tire Park in the Hilton Area. - This stretch is 2 miles of up hill and is very rocky. - After taking a break at the Tire Park we returned down the Nun's Run directly to the Swinging Bridge. - This section is always a muddy one down to the train tracks. - NOTE TO ALL-TRAIL USERS: There is NO cell service at the Swinging Bridge but the GPS does track you. - None of the maps will show up on the app but it's working fine. - Just hit the record button and start hiking. - When you finish in this spot hit the record button to stop and save the trip. - When you leave the area or go home the information will be there. - Carry a backup map if you need to.

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Kenneth Grimm
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Hiking
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Linden Kilby
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Hiking
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Drew Slate
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Hiking

Awesome. Loved every minute!

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kate thomas
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Hiking

A lot of the trail is covered in slippery leaves so make sure you have good traction. Where the directions lead you is towards an area that says no parking at any time. A local came up to me and said they do actually tow so just be aware.

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Sean Kimmons
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Hiking
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Annette Najjar
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Hiking
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Gordon Cwynar
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Hiking

a lovely fall evening hike.

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Rob Parry
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Running
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Kenneth Grimm
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FishingGreat!
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Jeremy Salz
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Hiking
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Mark Malby
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Hiking
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Dale Burgess
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Paddle sports
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Gordon Cwynar
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Hiking
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george buchman
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Hiking
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Gordon Cwynar
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Hiking
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David Moreno
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Hiking

Great hike that was relatively empty until hitting the paved section on Grist Mill. Highly recommend this 6.6 mile for my fellow weekend warriors!

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Lauren Pitts
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HikingRocky

Fun rocky trail! Agree with the other review that there’s one tiny section climbing over a couple big rocks, and no cell service by the river/grist mill trail.

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Shawnell Batts Jr.
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HikingOff trail
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Lauren Castelli
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HikingMuddy
First to Review

It took me forever to figure out how to start this trail. Beware there are parts where you are literally rock climbing. Also barely any cell service!

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Cassandra Eichner
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Hiking
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