(New Hampshire)
Monadnock State Park in Jaffrey, New Hampshire, United States, is a 1,017-acre (4.12 km2) state park located on and around 3,165-foot (965 m) Mount Monadnock. The park is surrounded by thousands of acres of protected highlands. (Ref: https://en.wikipedia.org/wiki/Monadnock_State_Park)