| Loyalsock State Forest | |
|---|---|
 Loyalsock Creek in Loyalsock State Forest in Sullivan County | |
 Location of Loyalsock State Forest in Pennsylvania | |
| Location | Bradford, Lycoming, & Sullivan Counties in Pennsylvania, United States |
| Coordinates | 41°30′39″N 76°43′13″W / 41.51083°N 76.72028°W |
| Elevation | 1,765 ft (538 m) |
| Established | 1929 |
| Named for | Loyalsock Creek |
| Governing body | Pennsylvania Department of Conservation and Natural Resources |
| Website | Loyalsock State Forest |
Loyalsock State Forest is a Pennsylvania state forest in Pennsylvania Bureau of Forestry District #20. The forest spans across the northern tier's "Endless Mountains" and is a total of 114,552 acres (46,358 ha). The Loyalsock is a “working forest” and is managed for pure water, recreation, plant and animal habitats, sustainable timber, and natural gas.
In 2008, the District 20 office was moved into a new facility on the districts far eastern boundary in Dushore, Pennsylvania in Sullivan County in the United States. The Hillsgrove Ranger Station, which also houses the districts maintenance section, is located in Hillsgrove, Pennsylvania in Sullivan County.