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Routes
Running trails & routes
United States
New Jersey
Mercer County

Watershed Trail

Moderate

3.0

(30)

77

runners

Watershed Trail

00:57

9.28km

30m

Running

Jogging the 5.8-mile Watershed Trail in New Jersey offers a moderate workout through diverse landscapes, including wetlands and forests.

Last updated: February 26, 2026

Waypoints

A

Start point

Parking

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1

388 m

Watershed Trail

Highlight (Segment) • Trail

This is one of the main access trails in this area and very popular for both runners and hikers, but it only takes a little bit of rain to make things pretty muddy. So, you might want to save this trail for dry weather.

Tip by

2

1.62 km

Meadow/Pond Trail

Highlight • Trail

Right about here, you'll see a turnoff for the Meadow/Pond Trail. Although it's one of the most popular trails in this area, you may want to leave it for the hikers — it tends to be very muddy.

Tip by

3

4.20 km

Elks Preserve

Highlight • Forest

The red maple forest making up the Elks Preserve contains a short trail loop offering wildlife viewing and a wilderness experience. You can access the preserve via different trails in the Stony Brook-Millstone Watershed Trails network.

Tip by

B

9.28 km

End point

Parking

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Way Types & Surfaces

Way Types

9.10 km

173 m

Surfaces

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Elevation

Elevation

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Weather

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Today

Friday 8 May

19°C

6°C

9 %

Additional weather tips

Max wind speed: 25.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

Where can I park to access the Watershed Trail?

The Stony Brook-Millstone Watershed Reserve offers parking facilities for trail users. Specific trailhead access points and parking areas are typically well-marked within the reserve. It's always a good idea to check the reserve's official website for the most current parking information and directions.

Is the Watershed Trail dog-friendly?

Yes, dogs are generally welcome on the trails within the Stony Brook-Millstone Watershed Reserve. However, they must be kept on a leash at all times to protect wildlife and ensure a pleasant experience for all visitors. Please remember to clean up after your pet.

What is the best time of year to jog this route?

The Watershed Trail offers a pleasant jogging experience year-round, but spring and fall are particularly scenic with vibrant foliage and comfortable temperatures. Summer can be warm, but much of the trail is shaded. Winter jogging is also possible, though conditions may vary with snow or ice.

Are there any fees or permits required to jog in the Stony Brook-Millstone Watershed Reserve?

Typically, there are no entrance fees or permits required for general access to the trails within the Stony Brook-Millstone Watershed Reserve for activities like jogging. The reserve is dedicated to conservation and public recreation. However, specific events or programs might have associated costs.

What is the terrain like on this jogging route?

The route features varied terrain, including sections of packed dirt and gravel. You'll also encounter parts of the fully accessible raised boardwalk, like the Hickory Loop Boardwalk, and porous asphalt. This diversity provides a dynamic jogging experience through wetlands, forests, and meadows.

What natural features or landmarks can I expect to see along the route?

Along this route, you'll experience diverse landscapes including wetlands, forests, and open meadows. Key features include the four-acre Wargo Pond and some of the oldest trees in central New Jersey. The route also passes through the Elks Preserve.

What kind of wildlife might I encounter on the trail?

The reserve is home to a variety of wildlife. Joggers often spot animals such as fox, coyote, weasel, and flying squirrels. Birdwatchers can look out for species like osprey and owls, especially near the wetlands and Wargo Pond.

Does this route connect with other trails?

Yes, this jogging route utilizes sections of several trails within the reserve. It primarily follows the Watershed Trail and the Meadow/Pond Trail. It also intersects with parts of the Lawrence Hopewell Trail, Stony Brook Trail, Farm/History Trail, and Boardwalk Trail, offering opportunities for longer or varied excursions.

How long does it typically take to complete this jogging route?

This specific jogging route, which is approximately 9.3 kilometers (5.8 miles) long, typically takes about 57 minutes to complete at a moderate jogging pace. Your actual time may vary depending on your fitness level and how often you pause to enjoy the scenery.

Is this jogging route suitable for beginners?

Yes, with its moderate difficulty and relatively flat elevation gain (around 35 meters), this route is suitable for beginners. The varied terrain and options to connect with other trails also allow for customization, making it approachable for those new to trail jogging.

Is the trail suitable for families with children?

Absolutely. The Watershed Reserve offers a family-friendly environment. The varied terrain, including accessible boardwalk sections, makes it enjoyable for different ages. The opportunity to spot wildlife and explore diverse natural habitats adds to the appeal for children.

What's an insider tip for jogging this trail?

For a particularly smooth and accessible jogging experience, look for the 0.7-mile fully accessible raised boardwalk within the reserve, often referred to as the Hickory Loop Boardwalk. It's a great option for a warm-up, cool-down, or if you prefer a very even surface.

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