Jenny Jump State Forest is a state forest in Warren County, New Jersey, characterized by its ancient, rolling terrain and significant glacial features. This area encompasses over 4,400 acres of woodlands and mountains, offering panoramic vistas of the Kittatinny Mountains and the Delaware Water Gap. The landscape, shaped by its glacial history with rocky outcroppings and massive boulders, provides a diverse setting for several sports like hiking, touring cycling, mountain biking, road cycling, and more.
72
Routes
4.7
(30)
Average rating
444
People visited

5.0
(1)
6
hikers
7.59km
02:14
210m
210m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

2
hikers
3.65km
00:56
10m
10m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

1
hikers
19.5km
05:17
230m
220m
Hard hike. Very good fitness required. Mostly accessible paths. Sure-footedness required.

1
hikers
9.42km
02:40
220m
170m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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5.0
(1)
6
riders
17.6km
01:44
340m
340m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

13.4km
01:26
360m
360m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

4.5
(2)
42
riders
33.5km
03:14
490m
490m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

5.0
(2)
26
riders
20.0km
01:52
270m
270m
Hard mountain bike ride. Great for any fitness level. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
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5.0
(1)
1
riders
58.4km
04:15
670m
670m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

20
riders
28.9km
02:49
380m
380m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

10
riders
22.7km
02:16
340m
340m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

5.0
(1)
10
riders
14.5km
01:14
80m
80m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
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16
riders
96.8km
07:28
500m
500m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

5.0
(1)
8
riders
73.6km
04:46
490m
490m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4
riders
55.0km
03:39
360m
360m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

24
riders
55.7km
02:36
410m
410m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

7
riders
86.0km
04:10
760m
760m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

6
riders
48.7km
02:08
380m
380m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

4
riders
37.5km
01:53
480m
480m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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11
runners
6.25km
00:46
30m
30m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4
runners
8.01km
01:00
130m
130m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

2
runners
6.22km
00:46
110m
110m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

2
runners
10.8km
01:22
180m
180m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Jenny Jump State Forest offers a variety of outdoor activities including hiking, touring cycling, mountain biking, and road cycling. Other activities include camping, fishing, boating, picnicking, and birdwatching. In winter, visitors can enjoy cross-country skiing and ice fishing.
The forest features 14 miles (22.5 km) of hiking trails. These trails cater to various skill levels and include paths with rocky outcroppings and glacial boulders. For more information, refer to the Hiking in Jenny Jump State Forest guide.
Yes, Jenny Jump State Forest provides approximately 3 to 5 miles (4.8 to 8 km) of multi-use trails suitable for mountain biking. The Mountain Lake Trail is a popular option for mountain bikers. Further details can be found in the MTB Trails in Jenny Jump State Forest guide.
While internal forest trails are primarily for mountain biking, the surrounding well-paved roads offer routes for touring and road cyclists. These routes provide scenic views of farmland and varied landscapes. Guides like Cycling in Jenny Jump State Forest and Road Cycling Routes in Jenny Jump State Forest provide more information.
Jenny Jump State Forest is situated on ancient, rolling terrain with significant glacial features. It offers panoramic vistas of the Kittatinny Mountains and the Delaware Water Gap. The landscape includes rocky outcroppings and massive glacial boulders, some estimated to be 1.6 billion years old.
Yes, Jenny Jump State Forest offers trails suitable for families. These trails provide an opportunity to explore the forest's natural beauty and geological features. A dedicated guide for Family-friendly hikes in Jenny Jump State Forest is available.
The Summit Trail on Jenny Jump Mountain offers views from an elevation of 1,090 feet (332 meters). This viewpoint provides expansive vistas of the surrounding landscape. The forest covers over 4,400 acres (1,780 hectares) of woodlands and mountains.
The forest is known for its geological significance, featuring some of the oldest rocks on Earth and abundant glacial debris. These formations are remnants of the Wisconsin glaciation approximately 21,000 years ago. Rocky outcroppings and massive glacial boulders are visible along the trails.
Yes, the United Astronomy Clubs of NJ (UACNJ) operates an observatory within Jenny Jump State Forest. It offers public programs and stargazing opportunities due to the area's minimal light pollution. This makes the forest a unique destination for astronomy enthusiasts.
Jenny Jump State Forest has more than 1,200 visitors recorded on komoot, with an average rating of 4.77 out of 5 stars. There are 6 routes available across various sports. This indicates a high level of satisfaction among users.
Official information about Jenny Jump State Forest can be found on the New Jersey State Parks, Forests & Historic Sites website. The official website is dep.nj.gov/parksandforests/. For camping reservations, visit camping.nj.gov.
The official phone number for Jenny Jump State Forest is (908) 459-4366. This number can be used for general inquiries about the forest.

