2.8 miles Easy
Assabet River National Wildlife Refuge
Near Maynard, Massachusetts
The Puffer Pond Loop Trail is an easy 2.8 mile hike around Puffer Pond in Assebet River National Wildlife Refuge.
This particular GPS loop of Puffer Pond includes the Puffer Pond trail, Otter alley trail, and Harry's Way Trail.
Along the trail, you get plenty of scenic views of Puffer Pond and some interesting bunker structures on the north side of the pond.
This trail can be buggy though, so prepare.