| Greenfield State Park | |
| Photo Width: | 280 |
| Location: | 52 Campground Road, Greenfield, Hillsborough County, New Hampshire, United States |
| Coords: | 42.9584°N -71.887°W |
| Designation: | New Hampshire state park |
| Administrator: | New Hampshire Division of Parks and Recreation |
| Website: | Greenfield State Park |
Greenfield State Park is a 400acres 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.[1]