Diamond Mountain/Stony Brook Loop

Harriman-Bear Mountain State Parks

Diamond Mountain/Stony Brook Loop View over Lake Sebago From the Seven Lakes Trail - Harriman-Bear Mountain State Parks - Photo: Daniel Chazin Diamond Mountain/Stony Brook Loop View over Lake Sebago From the Seven Lakes Trail - Harriman-Bear Mountain State Parks - Photo: Daniel Chazin

This loop hike at the southern end of Harriman State Park follows several picturesque streams and climbs to a viewpoint over Lake Sebago.

41.173916, -74.168658

From the parking lot, head east (left when facing the woods), passing the Visitor Center to the left. You are following the red-on-white-blazed Pine Meadow Trail, which parallels Stony Brook, on the left. The trail follows a wide woods road, with a detour onto a footpath to the right to avoid a wet and rocky section of the road. After following this wide route for 0.4 mile, you’ll come to fork...

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Trip Reports

rate experience
November 24, 2019
5
Good hike for fit beginners!
I did this hike Nov 23, 2019 and it was fantastic! It was my first time in Harriman and I'm fairly new to hiking. This trail was challenging for me and my friend (who is also new to hiking but goes to the gym often). It took us about 4.5 hours with breaks. Just some notes: once you cross the bridge over Cascade of Slid the hike description (and trail map) says you will turn right and be on the white-blazed Kakiat trail for a short while, but that's not the case (or at least I saw no white blazes here). Just continue on the red-on-white-blazed trail as you have been. The climb up Diamond Mountain is fun and definitely challenging as other commenters have said - make sure you have good tread on your shoes. Also would highly recommend hiking boots with ankle support because this trail is SUPER ROCKY once you hit the Stony Brook trail. This part was also a little rough, but so fun! There are plenty of places to relax and rest if you need.
ajones119
April 27, 2019
4
I did this hike today, 4/27
I did this hike today, 4/27/19 and it was really great! The only thing I'll add to the discussion is that the footbridge over Pine Meadow Brook towards the end is still out at this time. There is a narrow downed tree that can be used to cross in its place, which is what I did (very carefully!) Enjoy!
kstranc
April 17, 2017
4
Rob Sandt
March 15 2017. A very dynamic hike with lots of scenery changes. I clocked it at 7 miles with my GPS but that included a few short off-trail excursions. A great hike in springtime with lots of water running down the Stony Brook.
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