4.5
(2)
48
hikers
15
hikes
Hiking in Union County, Pennsylvania, offers diverse landscapes characterized by woodlands, rolling hills, and river valleys. The region provides a variety of experiences for different skill levels, with trails winding through natural areas. This area is known for its well-maintained trail systems that cater to outdoor enthusiasts.
Last updated: June 23, 2026
5.0
(1)
17
hikers
3.93km
01:04
60m
60m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
2
hikers
5.50km
01:41
180m
180m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Sign up for free
2
hikers
2.30km
00:35
10m
10m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
2
hikers
6.31km
01:47
140m
140m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
15.8km
04:00
50m
20m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
2.43km
00:41
30m
110m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
8.55km
02:24
150m
160m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
10
hikers
4.52km
01:18
110m
110m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
2
hikers
6.19km
01:48
160m
160m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
2
hikers
4.68km
01:27
160m
160m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
Get access to more routes and recommendations from other explorers.
Sign up for free
Already have an account?
Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
Start today with a free account
Your next adventure awaits.
Login or Signup
Halfway through the Mid State Trail that crosses all of PA! 😎
2
0
Halfway Run sits within the Bald Eagle State Forest and protects and are of 407 acres. The surrounding forest provides a tranquil escape, and those keen on geography will notice the multiple remnants of the ice age, such as pingos and glacial ponds.
1
0
This little spring-fed lake is a nice spot for swimming and trout fishing. It's not entirely clear how it got its name, but it does beg the question: Halfway to where?
0
0
This little spring-fed lake is a nice spot for swimming and trout fishing. It's not entirely clear how it got its name, but it does beg the question: Halfway to where?
2
0
Union County, New Jersey, offers a diverse landscape for hikers, characterized by extensive woodlands, winding rivers like the Rahway, and rolling hills. Trails often feature gentle elevation changes, making them accessible for various fitness levels. You'll find paths through forests, along lake shores, and sometimes open fields, providing varied scenery.
Yes, Union County has many family-friendly trails. Many routes are easy with minimal elevation gain, suitable for all ages. For example, the Shikellamy Marina Trail is a short, scenic path along the water. Within Watchung Reservation, the 0.3-mile Sensory Friendly Trail is specifically designed to be inclusive for visitors with disabilities and special needs, featuring talking kiosks and sensory play elements.
Many parks and trails in Union County are dog-friendly, but it's always best to check specific park regulations before you go. Generally, dogs are welcome on leash. Trails like the Dale's Ridge Trail offer pleasant wooded paths that are enjoyable for both you and your canine companion.
Union County's trails offer a variety of natural and historical points of interest. Within the Watchung Reservation, you can explore the historic deserted village of Feltville, hike around Lake Surprise, or discover interesting rock formations along the Seeley's Pond and White Trail Loop. Other parks feature scenic river paths along the Rahway River, lush woodlands, and open fields, sometimes with remnants of old stone structures.
Yes, parking is generally available at the major parks and trailheads throughout Union County. Popular spots like Watchung Reservation, Nomahegan Park, and Lenape Park typically have designated parking areas. It's advisable to check specific park websites for detailed parking information, especially during peak seasons.
While many trailheads are most easily accessed by car, some areas in Union County, particularly those closer to towns, may be reachable via public transportation options like NJ Transit buses or trains. For example, Watchung Reservation is accessible, though it might require a combination of transit and a short walk or ride-share to reach specific trailheads. It's recommended to plan your route using public transport apps for the most current information.
Union County offers enjoyable hiking experiences year-round. Spring brings blooming wildflowers and lush greenery, while autumn showcases stunning fall foliage, especially in areas like the Watchung Reservation. Summer is popular for longer days, though trails can be busy. Winter hiking is also possible, offering serene, snow-covered landscapes, but always check trail conditions and dress appropriately.
Yes, while many trails are easy, Union County also provides options for more moderate and longer excursions. For instance, the Swift Run Trail, Kerb Gap, Thick Mountain Trail is a moderate 4.4-mile route with varied terrain and notable elevation gain. The Buffalo Valley Rail Trail offers a much longer, moderate experience at nearly 10 miles.
The hiking trails in Union County are highly rated by the komoot community, with an average score of 4.5 stars. Hikers often praise the well-maintained paths, the peaceful woodlands, and the variety of scenery. Many appreciate the accessibility for different skill levels, from easy walks to more engaging moderate routes.
There are over 15 hiking trails available in Union County, offering a wide range of experiences. These include 10 easy routes perfect for a leisurely stroll and 5 moderate trails for those seeking a bit more challenge.
Yes, Union County features several circular routes that allow you to start and end at the same point, offering a convenient hiking experience. Examples include the Hairy Johns and Winkelbleck Trail Loop and the Bake Oven and Mid-State Trail Loop, both offering engaging loops through the natural landscape.
Watchung Reservation is a sprawling 2,142-acre park known for its diverse landscapes, including woodlands, fields, lakes, and brooks. It offers a variety of trails, from the 6.2-mile Watchung Reservation History Trail loop to the moderate 9.5-mile Sierra Trail loop, catering to different preferences. Its unique topography along the First and Second Watchung Mountains, combined with historical sites like Feltville, makes it a standout destination.


Check out more Hikes throughout Union County below and find the perfect route in your destination.
Browse the best Hikes in other regions.