| Quaddick State Forest | |
|---|---|
 Quaddick Reservoir | |
  Location within Connecticut  Location within the United States | |
| Location | Thompson, Connecticut, United States |
| Coordinates | 41°58′20″N 71°48′36″W / 41.9723°N 71.8101°W |
| Area | 550 acres (220 ha) |
| Elevation | 476 ft (145 m) |
| Established | 1930s |
| Administrator | Connecticut Department of Energy and Environmental Protection |
| Website | Quaddick State Forest |
Quaddick State Forest is a Connecticut state forest located in the town of Thompson north of Quaddick State Park. The forest protects 466-acre (189 ha) Quaddick Reservoir and provides opportunities for fishing, hunting, canoeing, letterboxing, and youth group camping.