| Hemenway State Forest | |
| Map: | New Hampshire#USA |
| Location: | Carroll County, New Hampshire |
| Nearest City: | Conway, New Hampshire |
| Area Acre: | 2,106 |
| Established: | 1932 |
| Governing Body: | New Hampshire Department of Natural and Cultural Resources |
Hemenway State Forest is a 2106acres state forest in Tamworth, New Hampshire. It includes the Big Pines Natural Area, an area of large white pine trees, including one of New Hampshire's largest, accessible via a parking area and loop trail off Route 113A. The trail also crosses the Swift River with a wooden pedestrian bridge. A spur trail connects to an observation tower atop Great Hill.[1]