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B Loop

The B Loop Trail at Stony Brook Reservation in Boston, Massachusetts is a 3.5 mile loop hike that encompasses the entire reservation. The Stony Brook Reservation is a hidden gem near the Blue Hills Reservation, but is much less popular, so it's a great place to get outside near the city but without any crowds.

You can hop on the B Loop Trail really anywhere at Stony Brook, but the main parking areas are easiest to jump on the trail. The hike brings you through coniferous and deciduous forests, up to a lookout point above Turtle Pond, and another short hill 'lookout' are on the west side of the loop.

The trail itself is fairly flat with some ascents and descents along the way, but is not paved in any section. Dogs and biking are both allowed here.
Explore 30 trails near Boston, MA

Know Before You Go

  • B Loop Trail is a 3.5-mile loop within Stony Brook Reservation in Boston, offering a less crowded alternative to nearby Blue Hills.
  • The trail features varied terrain including forests and lookout points above Turtle Pond.
  • The unpaved trail is suitable for dogs and biking, providing a natural outdoor experience.
Interactive topographic map for B Loop located in Boston, MA. Click the "View Map" button to load GPS coordinates and trail markers.
Get directions
Distance
3.5 mi
Difficulty
Easy
Type
Loop
Est. Time
1.8 hrs
Elev. Gain
1,162'
Rating
0.0
Added
April 12, 2015
Updated
January 23, 2020

Weather Forecast

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Total Change
203'
Ascent
1,162'
Descent
1,199'
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Features

Vista / Lookout Point
Dogs
Water Source
Biking

Points of interest

  1. Parking

    42.266594, -71.142998
  2. Main Trailhead

    42.266084, -71.14473

Safety information

For your own safety: plan ahead, let someone know where you'll be, and hike at your own risk.

Availability

Spring

Surface type

Dirt

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3.5 miles / 5.6 km
April 12, 2015
Hiking
No community routes found. To add your own hike as a Community Route for this Trail guide, leave a Trip Report with an attached GPX file.

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