2.5
(4)
65
riders
7
rides
Mountain biking in Round Valley Recreation Area offers diverse trails set against the backdrop of the Cushetunk Mountains and the Round Valley Reservoir. The region features varied terrain, including dense pine forests and sections with rocky paths. The landscape is characterized by rolling hills and the expansive reservoir, providing a mix of challenging climbs and scenic routes. This area provides a network of trails suitable for different skill levels, from easier loops through forests to more physically demanding routes along mountain ridges.
Last updated: July 2, 2026
4
riders
21.6km
01:59
420m
420m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
1.0
(1)
6
riders
19.7km
01:50
400m
400m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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5
riders
17.9km
01:52
420m
420m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.0
(3)
36
riders
13.6km
01:12
190m
190m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
14
riders
24.6km
01:36
190m
190m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
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The old train station was built in the late 1800s for the Central Railroad of New Jersey. Today, it serves as a hub for the Califon Historical Society and access point for the Columbia Rail Trail. Supposedly, the name Califon comes from a shortening of "California", since the painter creating the station map didn't leave enough room for the original title.
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A packed dirt road takes you along the Raritan River at the sheltered base of the gorge. There are plenty of spots to park as you head in from Readingsburg, but most of the road is closed to vehicle traffic and makes for the perfect bike route. You are right next to the water and can bike along both sides of the gorge.
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There are abandoned railroad ruins along the sides of the road. There are even still rails on the ground in spots overgrown with grasses and weeds.
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Cushetunk Mountain is the name-giving peak of the Cushetunk Mountain Nature Preserve and lies at the shores of the Round Valley Reservoir. The Red Cushetunk Trail leads through beautiful forested areas up the mountain.
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The Columbia Trail is a 16.5-mile paved path consisting of dirt and packed gravel. Pretty much any tires can handle the smooth surface, and it's easy to cover a lot of miles with how flat the entire trail is.
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Explore the captivating Ken Lockwood Gorge within the 500-acre Ken Lockwood Wildlife Management Area. This picturesque landscape, adorned with towering hemlocks along steep walls, creates an isolated and serene atmosphere. Immerse yourself in the beauty of the 2.5-mile stretch of the South Branch of the Raritan River, featuring cascading waters, small waterfalls, and tranquil poolsβan enchanting experience, especially in the vibrant spring season.
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This stunning lake features a unique rock wall waterfall and is surrounded by lush trees. The sights are even more amazing in springtime when the leaves start to change colors.
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There are several mountain bike trails in Round Valley Recreation Area, with komoot featuring 7 routes. These trails cater to various skill levels, from easy loops to more challenging mountain routes.
Yes, Round Valley Recreation Area offers easy mountain bike trails. For instance, the Lake Solitude and Waterfall β Railroad Ruins loop from High Bridge is an easy 13.4 km route. The park also has multi-use trails like the Family Hike & Bike Trail and Pine Tree Trail, which are ideal for younger riders or those seeking a more relaxed experience through pine forests.
The terrain in Round Valley Recreation Area is quite diverse. You'll find everything from dense pine forests to rugged, rocky, and steep sections, especially along the Cushetunk Mountain ridge. Some trails are described as 'extremely physically challenging' with steep climbs on loose rocks, while others offer smoother paths.
Absolutely. Many routes provide scenic views of the Round Valley Reservoir. For example, the Round Valley Reservoir β Cushetunk Mountain loop from Potterstown features sections along the Cushetunk Mountain ridge with excellent reservoir vistas. Another option is the Mannon-Sauerland Pond β Round Valley Reservoir loop from Clinton Township, which offers varied terrain around the reservoir.
Yes, for those looking for a longer ride, the Califon Train Station β Columbia Trail loop from High Bridge is a moderate 49.6 km trail. This route provides a substantial ride through the local landscape.
The mountain bike trails in Round Valley Recreation Area are highly rated by the komoot community, with an average score of 4.6 stars from over 5 reviews. Riders often praise the diverse terrain, the scenic views of the Cushetunk Mountains and Round Valley Reservoir, and the variety of options available for different skill levels.
Yes, many of the mountain bike trails in Round Valley Recreation Area are designed as loops. Examples include the Cushetunk Mountain β Round Valley Reservoir loop from Potterstown and the Mannon-Sauerland Pond β Round Valley Reservoir loop from Clinton Township, allowing you to start and finish at the same point.
While mountain biking, you can experience diverse and dense foliage, including fragrant pine forests. The area is also a haven for birdwatchers, with sightings of bald eagles, broad-winged hawks, ospreys, loons, and herons, especially around the reservoir. In late July, you might even find raspberries along the trails.
Experienced riders seeking a challenge will find it on trails that traverse the ridge of Cushetunk Mountain. The Cushetunk Trail (red), for example, is known for its rugged, rocky, and steep sections, making it suitable for advanced mountain bikers.
Yes, parking facilities are available within the Round Valley Recreation Area. Specific parking areas are typically designated near trailheads and access points to the reservoir, making it convenient for mountain bikers to start their rides.
Round Valley Recreation Area offers outdoor activities year-round. While mountain biking is popular in spring, summer, and fall, the park also transforms for winter activities like cross-country skiing and sledding. Trail conditions can vary by season, so it's always a good idea to check local conditions before heading out, especially after heavy rain or snow.


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