| Jenny Jump State Forest | |
|---|---|
 View of Jenny Jump Mountain and Jenny Jump State Forest from Hope Road near Great Meadows | |
  Location in New Jersey  Location in United States | |
| Location | Warren County, New Jersey |
| Coordinates | 40°55′19.3″N 74°55′32.1″W / 40.922028°N 74.925583°W[1] |
| Area | 4,466 acres (18.07 km2) |
| Opened | 1931 |
| Administered by | New Jersey Division of Parks and Forestry |
| Website | Official website  |
Jenny Jump State Forest is a state park in the U.S. state of New Jersey operated by the New Jersey Department of Environmental Protection's Division of Parks and Forestry. It is located in northern Warren County in the northwestern section of New Jersey, on the 1,112-foot (339 m) high, 6-mile (10 km) long Jenny Jump Mountain ridge.
The park has extensive hiking trails on the mountainside, featuring large glacial boulders and outcroppings from the Wisconsin glaciation approximately 21,000 years ago.
It is said that the park was named after a girl named Jenny, who jumped to her death on Jenny Jump Mountain, while being chased by a Native American.[2][better source needed]