1:00pm. Explore a large protected area in the Groton/Westford/Tyngsboro corner. We'll see varied environments from beaver ponds to meadows to upland forest, and an old quarry. About 2 hours, moderate pace. Meet at the end of Cow Pond Brook Road in Groton, 42.6249N 71.5026W. Leader: Olin LathropDirections:
From Route 40, N on Cow Pond Brook Rd, to end.