How many ponds are in Groton, MA?
8 ponds in Groton, MA are listed here: Baddacook Pond Conservation Area, Cow Pond Brook, Flat Pond, Lost Lake Conservation Area, Martin's Pond Conservation Area, Martins Brook Pond Conservation Area II, Wattles Pond Conservation Area, Woodland Pond Conservation Area. Each page has parking, entry fees, and hours where they are confirmed, and says so where they are not.
Which ponds in Groton, MA are free to enter?
Flat Pond, Martins Brook Pond Conservation Area II, Wattles Pond Conservation Area. Free entry is confirmed for these; the others either charge or have no confirmed fee on record.