Trails and tales: Archaeology comes alive in Acton

November 1, 2025

On Saturday, October 18, a small group of local history enthusiasts and hikers gathered at the Robbins Mill Conservation Land parking lot off of Canterbury Hill Rd. for an immersive archaeology walk led by Bettina Abe, retired Acton Conservation Department employee and long-time trail guide. The walk, part of the Friends of Pine Hawk’s ongoing efforts to celebrate and preserve Indigenous history, traced the Nashoba Brook, Robbins Mill, and Spring Hill connector Trails, stopping at sites that reveal layers of human history hidden in plain sight.

A woman with a red jacket and yellow hat stands next to a Trail Through Tiime trail marker.
Tour guide, Bettina Abe, educating the hikers on archaeological significant findings along the trail. Photo: Susan Greene
A woman (jacket now off on a warm day) stands b a tree next to a large boulder that seems to have been shaped by human hands.
Bettina discussing the Pipsissewa Native American ceremonial sites. Photo: Susan Greene

One of the most striking moments was seeing the granite slabs at the Roof Slab Quarry, knowing they may have been transported down the frozen Nashoba Brook to become part of a stone chamber that really brought the history to life.

Several large boulders sit amidst ferns with trees in the background.
Remains of the Roof Slab Quarry have been verified as having the same stone composition as the stone chamber a mile downstream. Photo: Susan Greene

The walk also highlighted Acton’s broader conservation and open-space goals, showing how archaeology encourages community stewardship and a deeper understanding of the region’s Indigenous and colonial past. Friends of Pine Hawk collaborates with the Nashobah Praying Indians and other New England tribes to ensure programs are culturally sensitive and rooted in local knowledge.

This annual hike, known as the “Trail Through Time,” offers participants a mix of nature, history, and education, combining trail exploration with hands-on learning about the cultural and geological forces that shaped the land. By the end of the over two-hour walk, many attendees said they left with a renewed appreciation for both the landscape underfoot and the stories it holds.

A pond surrounded by trees in fall colors. The sky is blue and the trees and sky are reflected in the water.
A view of Robbins Mill Pond on a perfect fall day. Photo: Susan Greene

Friends of Pine Hawk continues to develop programs, maintain trails, and expand educational resources for the community, ensuring that Acton’s archaeological and cultural treasures remain protected and appreciated for generations to come. See more opportunities for experiential learning at https://www.pinehawk.org/2025-fall-programs/.

Susan Greene is an environmental science consultant, sustainability blogger, and grant writer based in Acton, MA. She is the founder of GreeneUP, a platform that explores sustainable living, climate issues, and community resilience.

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