At the Keystone Arch Bridges Trail at the first intersection you enter onto the old Pontoosuc Turnpike, the first road in Western Massachusetts, the KAB continues to the right if you take a left in about a hundred yards you will find the three county stone markers on the right side. Three stones marking three counties. Bridge #2 will be on your left. This is the county three corners: Hampden, Berkshire and Hampshire Counties.

The Keystone Arch Bridges Trail from our group hike 10-16-21. We thank you all for coming to Chester and hiking with us and learning about the great history from Mr. Dave Pierce !

Thank you to special guest Chef John Slattery at the trailhead with breakfast!!

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