How many preserves & forests are in Arlington, MA?
6 preserves & forests in Arlington, MA are listed here: Alewife Brook Reservation, Crusher Lot, Menotomy Rocks Park, Minuteman Bikeway, Mystic River Reservation, Mystic Valley Parkway. Each page has parking, entry fees, and hours where they are confirmed, and says so where they are not.
Which preserves & forests in Arlington, MA are free to enter?
Alewife Brook Reservation, Menotomy Rocks Park, Minuteman Bikeway. Free entry is confirmed for these; the others either charge or have no confirmed fee on record.