How many preserves & forests are in Merrimac, MA?
5 preserves & forests in Merrimac, MA are listed here: Beaver Pond Reservation, Cobbler's Brook Greenway, Jay McLaren Memorial Trail, Merrimac Town Forest, Mildred R. Perkins Conservation Area. Each page has parking, entry fees, and hours where they are confirmed, and says so where they are not.
Which preserves & forests in Merrimac, MA are free to enter?
Beaver Pond Reservation, Merrimac Town Forest, Mildred R. Perkins Conservation Area. Free entry is confirmed for these; the others either charge or have no confirmed fee on record.