4.5
(2)
32
riders
4
rides
Gravel biking in Swartswood State Park offers diverse terrain across 3,460 acres of protected area, featuring New Jersey's first state park. The landscape includes pristine forests, varying topography from gentle paths to hilly sections, and the serene glacial Swartswood Lake. Routes often involve both paved and unpaved surfaces, providing a mix of challenges for gravel cyclists.
Last updated: May 29, 2026
5.0
(1)
7
riders
58.8km
03:33
390m
390m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
11
riders
71.0km
05:33
450m
450m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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7
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3
riders
15.6km
01:05
90m
90m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
4.0
(1)
4
riders
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Swartswood State Park
Paulinskill Lake was created after a dam was constructed across the river in Stillwater Township in the 1920s. From this point in the rail trail, there is a great view of the lake.
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The Paulinskill Valley Trail is a 27-mile trail that follows along a river of the same name. The trail is mostly gravel and dirt. This section runs alongside Paulinskill Lake and there are several points where you get a great view of the water.
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Warbasse Junction is the intersection of the Sussex Branch Trail and the Paulinskill Valley Trail. There are no facilities at this spot, but there are some information boards to give you some valuable information about the area.
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The Sussex Branch Trail is a 21-mile multiuse trail. The trail follows an old railroad corridor and runs between Branchville and Byram. The path is unpaved and changes between dirt, grass, and cinder.
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Lake Paulinskill is situated just west of the town of Newton. It is a long narrow 174-acre lake with full tree lined shores. The view here looking over the bridge on Swartswood Road is particularly nice.
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A tranquil escape for hikers, cyclists, and nature enthusiasts exploring the scenic Sussex Branch Trail. It's wildly popular for wildlife viewing and birding.
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Riding surfaces get even more diverse here but a joy to ride.
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resting spot with view over the Paulins Kill River
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There are 4 dedicated no-traffic gravel bike routes available in and around Swartswood State Park. These routes offer a mix of easy, moderate, and difficult terrain, ensuring options for various skill levels.
The terrain varies, offering a diverse gravel biking experience. You'll find routes that traverse pristine forests and offer varying topography, from gentler paths to more challenging, hilly sections. Some trails, like parts of the Grist Mill Trail mentioned in the region's general trail descriptions, can be steep and rocky, providing a rugged adventure. The routes listed in this guide, such as the Sussex Branch Trail β Paulinskill Valley Trail loop from Newton, primarily utilize former rail beds, which typically offer a smoother, packed gravel surface.
Yes, there are options suitable for families looking for a less strenuous ride. The Whites Pond loop from Drakes Pond is classified as an easy route, covering about 15.6 km with minimal elevation gain, making it a great choice for a relaxed family outing on gravel bikes.
While the routes in this guide focus on the trails themselves, the broader Swartswood State Park area is rich in natural beauty. The park is home to Swartswood Lake, a large glacial lake, and offers views of pristine forests. The Paulinskill Valley Trail β View of the Paulins Kill River loop from Newton, for example, will take you alongside the scenic Paulins Kill River, offering picturesque views of the water and surrounding nature.
Yes, Swartswood State Park offers various parking facilities for visitors. While specific parking for each gravel route may vary, general parking areas within the park are available. It's always a good idea to check the park's official website or local signage for the most current parking information and any potential fees.
Spring and fall are generally considered the best times for gravel biking in Swartswood State Park. The weather is milder, and the natural scenery is particularly vibrant with spring blooms or autumn foliage. Summer can also be enjoyable, but be prepared for warmer temperatures and potentially more visitors. Winter riding is possible, but trail conditions can be challenging due to snow and ice, especially on unpaved sections.
Swartswood State Park generally allows dogs on trails, provided they are kept on a leash. However, it's always recommended to check the specific regulations for each trail or park area you plan to visit, as rules can sometimes vary. Ensure you clean up after your pet to help keep the trails enjoyable for everyone.
Absolutely. For experienced riders seeking a longer challenge, the Paulinskill Valley Trail β Paulinskill Valley Trail loop from Newton is a difficult route spanning over 71 km with significant elevation gain. This route offers an extensive ride through varied landscapes, perfect for those looking to push their limits on a gravel bike.
The no-traffic gravel bike trails in this guide cater to various skill levels. You'll find one easy route, two moderate routes, and one difficult route. This range ensures that both beginners and experienced gravel bikers can find a suitable challenge. For example, the Sussex Branch Trail β Sussex Branch Trail loop from Lafayette Township is an easy option, while the Paulinskill Valley Trail β Paulinskill Valley Trail loop from Newton is rated difficult.
The area is highly rated by the komoot community, with an average score of 4.5 stars. Reviewers often praise the peaceful, traffic-free nature of the trails, the scenic beauty of the surrounding forests and waterways, and the well-maintained surfaces of routes like the Paulinskill Valley Trail and Sussex Branch Trail, which are ideal for gravel biking.
Yes, all the routes featured in this guide are loop trails, providing convenient starting and ending points. This includes options like the Sussex Branch Trail β Paulinskill Valley Trail loop from Newton and the Whites Pond loop from Drakes Pond, allowing you to enjoy a circular ride without retracing your steps.


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