Sweet Trail is a 8 mile moderately trafficked out and back trail located near Durham, New Hampshire that features a lake and is good for all skill levels. The trail offers a number of activity options and is accessible year-round. Dogs are also able to use this trail but must be kept on leash.

Length8.0 miElevation gain439 ftRoute typeOut & back
Dogs on leashKid friendlyCross-country skiingHikingNature tripsWalkingBird watchingRunningForestLakeViewsWildflowersWildlifeBugsMuddy
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Getting There

Four miles long from Longmarsh Road in Durham to the Great Bay Estuary in Newmarket, the Sweet Trail leads hikers by a remarkable array of upland forests, freshwater wetlands and tidal salt marsh. The Sweet Trail winds its way from second generation forests to Great Bay, a unique estuarine ecosystem of local, regional, and national significance. The estuary provides a rich aquatic habitat that supports more than 150 rare plant and animal species, and 55 exemplary natural communities.

There are two additional parking areas near the handicap accessible portion of the trail. They are located off of Rt 108 on Dame Rd and Bay Rd respectively. Please see brochure for more information.

For more information please visit the Great Bay Resource Protection Partnership at www. greatbaypartnership.org or contact The Nature Conservancys Great Bay Office at 603.659.2678, x 12.

From downtown Durham, take route 108 south toward Newmarket for approximately 1.5 miles. Turn left onto Longmarsh Road. The trailhead is located 2 miles down the road with parking on the left side just before the gate.

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Reviews (261)
Photos (350)
Activities (250)
Completed (462)
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Ashish Deopura
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Hiking

Good trail. No bugs

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Ali Nelson
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Hiking

Beautiful trail with lots of tall trees, moss, and big boulders.

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scott frizzell
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Hiking
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Martha Vignola
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HikingGreat!

Back again on this great trail. Ice and snow is mostly all gone. Just a bit of mud. Pup thoroughly enjoyed getting out and sniffing EVERYTHING!

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Erin S
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HikingGreat!
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Kurtis Nelson
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Hiking

Wow what a great trail. This trail is beautiful. Trail is well marked and easy to follow. I enjoyed being out there. There are a few hills you have to go up and down but it’s mostly flat.

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Ellen Galvao
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Hiking

Very beautiful, fun, easy and interesting...Ive never seen so many fallen trees.

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Martha Vignola
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HikingGreat!IcySnow

Great trail, some ice and snow still, but doable with just hiking boots.

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Martha Vignola
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HikingIcy

Beautiful trail, so good to get out in the warmer weather. A little icy in spots but was able to walk on the edges to avoid slipping.

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Sharon Seaward
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Hiking
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Dane Lengerman
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Hiking

Well marked trail with not much elevation gain, but lots of great forest views. Trail is packed nicely and you can use spikes or snowshoes. Not many people on the trail either. Great way to spend an afternoon!

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Scott Bradach
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Hiking

microspikes the whole time. mostly packed trail.

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Justine Carey
Yellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarFebruary 8, 2021
Hiking

Trail was moderately packed down and easily used with or without snowshoes/micros. First time on this local trail and it’s our new fav!

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Tatjana Simon
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Hiking

Great trail! Family and pet friendly! Very well marked! Went 2 days in a row!!!

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John Magro
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Frank Taylor
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Hiking
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Debbie Hendrick
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HikingGreat!

Trail was very welled marked We did yellow and blue. About 4 mile loop was nice

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Hiking
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Amy Cyr
Yellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarJanuary 3, 2021
Hiking

Trail is clearly marked. Parking at the start of the trail is limited (where all trails brings you). There’s a larger parking lot midway.

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Mike Ryder
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HikingGreat!

Very well maintained and marked trail. With the in-out need to travel the whole trail, you’ll go 8+ miles (plus any extra loops you take). Hiking poles were valuable on the trail as were face masks (the trail can be relatively busy here and there). It wasn’t clear if hunting was allowed in all places, and may hikers had orange or bright colors on. A mix of hikers, photographers, dog walkers, and bikers were on the path. With the holiday season, many family groups were also on the trail (as some is relatively flat and easy to travel).. Most of the trail is through the woods with lots of pond and bay views along the way. There are 3 parking lots servicing the 4 miles of trails (one on Longmarsh Road at trail start as shown on All Trails. One on Dume Road (mid-way) and another on Bay Road (near the bay end point). You can get to the last 2 parking lots by turning off Rt 108 in Newmarket NH. Each lot holds about 5-6 cars. Mid way you will need to travel about .3 to .5miles on Dume road. The trail is so well marked that the markers were even placed on the road trees to verify you were going the right way. Due to shorter days, we actually ran out of time to do all 8 miles at once. So we returned a second day, parked in the middle lot, and completed the path to the bay. There weren’t many benches to rest and have a picnic (other than mid-way and at the bay). But there are plenty of rocks with pond views off the trail to make you own place. All in all, a nice peaceful and nicely wooded trail that is very well marked and with the multiple lots and loops allow you to make as long as a trail as you like. Would come back again, maybe when the days are longer and completing all 8 miles could be done in one day with time to start late, and have a picnic near a sunny bay.

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Jennifer Howe
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Hiking

Sweet trail is longer than it appears on the map. It feels like you’re walking through Woodland for longer than 4 miles. But overall it is well-maintained and lots of beaver dams to check out

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Dominic Testa
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I'm able to walk there from my house since a recent move. Could not have been given a better backyard

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Chad Davis
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Hiking

Nice trails. parking lot small

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Robbie Burnstine
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Hiking
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Scott Pelletier
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HikingGreat!

it was a nice trail easy to walk and pretty well maintained nice boardwalks along the marsh and ponds that have some huge beaver dams that you walk behind like a wall! it's a fun trail and close to nearby towns!

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Melanie Hoggard-Perley
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Beautiful trail. Minimal hiker traffic. Easy to follow.

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Al Stewart Jr
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Hiking
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Sarah Hart
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Hiking

Took a side trail to check out the beavers. Beautiful place to see.

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