How many ponds are in Sterling, MA?
2 ponds in Sterling, MA are listed here: Bartlett's Pond Conservation Area, Fitch Pond. Each page has parking, entry fees, and hours where they are confirmed, and says so where they are not.
Which ponds in Sterling, MA are free to enter?
Bartlett's Pond Conservation Area. Free entry is confirmed for this one; the others either charge or have no confirmed fee on record.