How many ponds are in Grafton, MA?
1 pond in Grafton, MA are listed here: Flint 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 Grafton, MA are free to enter?
Flint Pond Conservation Area. Free entry is confirmed for this one; the others either charge or have no confirmed fee on record.