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Agassiz Rocks

Official Website:Agassiz Rocks
Location:School Street, Manchester-by-t, MA
Phone:978.921.1944
Hours:Hours Vary see below
In/Outdoor:Outdoor
Cost:Free
Category:Hiking/Walking
Other Ideas: Castle Island and Fort Independence; Blue Hills State Reservation; Maudslay State Park; Boston Nature Center; Massachusetts DCR State Parks


Ascend a small hill to where a massive granite monolith juts into the sky, then pass a swamp where another huge boulder has sat as silent witness for millennia. It rests - seemingly precariously - on a small jagged stone, leaving an opening below. A short distance away, other boulders lie perched on the edge of this glaciated upland. Below, in a small shrub swamp, rests thirty-foot-tall Big Agassiz Rock.

Big and Little Agassiz Rocks are dramatic examples of giant boulders plucked from bedrock and carried far away by the last glacier. A short loop trail leads you up Beaverdam Hill where Little Agassiz Rock emerges as a giant granite monolith silhouetted against the sky.

A short distance away, other boulders lie perched on the edge of this glaciated upland. Below, in a small shrub swamp, rests 30-foot-tall Big Agassiz Rock. No one knows how far below the ground it is buried.

As the glaciers scoured this landscape, the mass of bedrock forming the hill proved more resistant than the surrounding soil, forcing the bottom of the glacier up and over the hill. The north side was smoothed and the south side left steep and rugged as the glacier broke off chunks of rock as it passed.

Trails include a 1-mile loop trail (moderate hiking) takes in both Big and Little Agassiz Rocks. Following long periods of rain, when the water table is high, the immediate area surrounding Big Agassiz Rock can be flooded.

HoursTop

Open year-round, daily, sunrise to sunset. Allow a minimum of 1 hour

LocationTop

School Street, Manchester-by-t, MA map

From Rt. 128 (exit 15), take School St. north for 0.5 mi. Entrance and roadside parking (10 cars) on right.

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We make best efforts to update information, but it changes frequently, so we cannot warrant it. Please call to check Agassiz Rocks schedules, fees, and directions before making the trek. We help you, please help us. Report an Error if you find one.


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