How many parks are in Groton, MA?
6 parks in Groton, MA are listed here: Cow Pond Brook Park, Cutler Memorial Park, Groton-Dunstable Regional High School Athletic Fields, Groton-Dunstable Regional Middle School Athletic Fields, Hazel Grove Park, Stone Bridge Farm Recreational Area. Each page has parking, entry fees, and hours where they are confirmed, and says so where they are not.
Which parks in Groton, MA are free to enter?
Cow Pond Brook Park, Hazel Grove Park. Free entry is confirmed for these; the others either charge or have no confirmed fee on record.