4.3
(6)
1,496
runners
133
runs
Jogging in Mercer County offers a diverse landscape for runners of all levels. The region features expansive parklands, wooded sections, and views of Mercer Lake, alongside historic canal towpaths and varied natural preserves. Terrain ranges from fairly flat paved paths to hilly, forested trails, providing options for both steady runs and more challenging efforts. Over 27% of the county is preserved open space, including parklands, farms, and meadows, ensuring a wealth of natural settings for outdoor activities.
Last updated: April 25, 2026
26
runners
9.31km
00:58
40m
40m
The NJ State Long Trail in Mercer County Park offers a moderate 5.8-mile jogging route with 119 feet of elevation gain.
11
runners
10.1km
01:11
230m
230m
Jog the moderate 6.3-mile Strawberry Hill and Baldpate Mountain trail for varied terrain, forest views, and Delaware River vistas.

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5
runners
8.36km
00:52
20m
20m
Jog this moderate 5.2-mile (8.4 km) route along the historic Delaware & Raritan Canal Towpath, enjoying canal and river views.
4
runners
8.03km
00:50
10m
10m
Jog the moderate 5.0-mile (8.0 km) Mercer County Park Blue Trail Loop, featuring lake views and varied terrain.
3
runners
9.28km
00:57
30m
30m
Jogging the 5.8-mile Watershed Trail in New Jersey offers a moderate workout through diverse landscapes, including wetlands and forests.
5.73km
00:40
20m
20m
Jog this 3.6-mile (5.7 km) moderate loop through Princeton Battlefield State Park and Institute Woods, featuring diverse terrain and a swing
2.84km
00:18
30m
30m
Easy 1.8-mile jogging route in Washington Crossing State Park, with 89 feet of elevation gain, taking about 17 minutes.
92
runners
18.3km
01:54
60m
60m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3.0
(1)
58
runners
17.8km
01:51
50m
50m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
55
runners
11.0km
01:08
30m
30m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Mercer County
Running Trails around Princeton
Running Trails in Charles H. Rogers Wildlife Refuge

Running Trails around Titusville
Running Trails around Washington Crossing

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Running Trails around Hamilton Square

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Running Trails around Trenton
This bridge offers a nice view over Stony Brook, especially at sunset. There’s a lane for pedestrians and bikes, so you can safely stop and take in the scenery. It’s usually not busy so you can even take a quiet brake to enjoy the view.
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Stony Brook runs through downtown Princeton while still keeping a quiet atmosphere, with a mostly flat dirt and grass path alongside the water. It’s a great spot for an easy-paced run, walk, or ride with creek views and tree cover.
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Washington Road crosses over Stony Brook here, and it's a great place to stop and enjoy the view. The wide shoulder and sidewalk along the side of the bridge allow you to stop safely without worrying about oncoming traffic.
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Built in 1834, the Kingston Lock was initially constructed to enable safe and efficient freight transport between Philadelphia and New York. These days it is a historic landmark along the D&R Canal Towpath.
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Delaware Raritan Canal trail is in a great condition and a beauty all year around with several historic marks.
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Carnegie Lake, stretching across parts of central New Jersey, owes its existence to an unusual encounter: a conversation between a painter and Andrew Carnegie. Built in the early 1900s for Princeton’s rowing team, the lake quickly became more than just a training site. Locals fish here, paddle, or stroll along the quiet banks. Pollution has taken its toll, but efforts to clean the water are ongoing.
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Monument to commemorate George Washington's march from Trenton to Princeton and his victory in the Battle of Princton. This obelisk was placed here in 1914 by the Sons of the Revolution, and there are 11 others placed along the path of his march.
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Mercer County offers a wide variety of running routes, with over 130 options available. These routes cater to different fitness levels, ranging from easy, flat paths to more challenging, hilly trails.
Yes, Mercer County has several easy running routes perfect for beginners. For instance, the Bike Trail is an easy option. Many trails within Mercer County Park and sections of the Delaware & Raritan Canal Towpath also offer relatively flat and accessible terrain.
Runners in Mercer County can enjoy diverse scenery, including expansive parklands, wooded sections, and views of Mercer Lake. Historic canal towpaths offer serene waterside runs, while areas like Baldpate Mountain provide scenic vistas of the Delaware River and lush forests. You might also spot wildlife, especially along trails like those at The Watershed Institute or the Tulpehaking Nature Center.
Many running routes in Mercer County are family-friendly, particularly those with easier terrain and paved or well-maintained gravel paths. Mercer County Park, with its extensive network of trails, and the flat Delaware & Raritan Canal Towpath are excellent choices for families looking to jog together.
Mercer County is generally dog-friendly, with many parks and trails welcoming leashed dogs. Specific regulations may vary by park or trail section, so it's always a good idea to check local signage. Popular spots like Mercer County Park and the Delaware & Raritan Canal Towpath are often enjoyed by runners with their canine companions.
Absolutely. For those seeking a more challenging run, Strawberry Hill and Baldpate Mountain offers hilly terrain and trails with moderate to difficult options, including steep sections. Other difficult routes include the Lake Carnegie (New Jersey) – Riverside trail loop from Princeton and the Princeton University Campus – Herrontown Woods loop from Princeton Junction, which feature significant elevation changes.
The running routes in Mercer County are highly rated by the komoot community, with an average score of 4.3 stars from numerous reviews. Runners often praise the diverse terrain, from flat canal paths to challenging mountain trails, and the abundance of preserved open space that provides a natural and scenic environment for their runs.
Yes, Mercer County's running routes often pass by or near notable landmarks and natural features. You can run past the historic D&R Canal Towpath, enjoy views of Lake Carnegie, or even spot the Washington Crossing Bridge. The Princeton University Campus is also accessible from some routes, offering a glimpse of its historic architecture.
Yes, Mercer County offers a good selection of circular running routes. For example, the Mercer County Park Blue Trail Loop is a popular option. Many trails within the larger parks are designed as loops, allowing runners to start and finish in the same location without retracing their steps.
Mercer County offers enjoyable running conditions throughout much of the year. Spring and fall provide pleasant temperatures and beautiful foliage, making them ideal. Summer mornings and evenings are also popular to avoid the heat. Even in winter, many trails remain accessible, especially the paved or well-maintained paths, offering a peaceful, crisp running experience.
Most major parks and trailheads in Mercer County, such as Mercer County Park, Baldpate Mountain, and access points along the Delaware & Raritan Canal Towpath, offer designated parking areas. It's generally easy to find parking close to the start of popular running routes.
While specific cafes or pubs might not be directly on every trail, many running areas in Mercer County are located near towns and communities that offer dining options. Princeton, for example, which is accessible from routes like the Stony Brook – Institute Woods loop, has numerous cafes and restaurants where you can refuel after your run.


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