| Greenfield State Park | |
|---|---|
 Otter Lake in winter | |
 | |
| Location | 52 Campground Road, Greenfield, Hillsborough County, New Hampshire, United States |
| Coordinates | 42°57′30″N 71°53′13″W / 42.95841°N 71.8870°W[1] |
| Area | 400 acres (160 ha) |
| Elevation | 883 feet (269 m)[1] |
| Administered by | New Hampshire Division of Parks and Recreation |
| Designation | New Hampshire state park |
| Website | Greenfield State Park |
Greenfield State Park is a 400-acre (160 ha) public recreation area in Greenfield, New Hampshire. The state park features ponds, bogs, and a forest that extends to the shore of undeveloped Otter Lake. Activities include camping, hiking, swimming, fishing, picnicking, and non-motorized boating. There is a small store, playground, boat ramp, and rentals.[2][3]
