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Hiking trails & Routes
United States
New Jersey
Mercer County
Pennington

Pennington Loop Trail

Easy

4.9

(9630)

13,491

hikers

Pennington Loop Trail

01:10

4.53km

20m

Hiking

The Pennington Loop Trail offers a delightful and accessible escape into nature, winding through mature hardwood forests and along the scenic southern shore of Baldwin Lake. You'll experience varied terrain, from crushed gravel paths to accessible boardwalks, and might even spot Canada geese or swans on the water. It's a…

Last updated: June 9, 2026

Waypoints

A

Start point

Parking

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1

1.31 km

Baldwin Lake Wildlife Management Area

Highlight (Segment) • Lake

The Baldwin Lake Wildlife Management Area is filled with trails crossing rolling hills through open meadows and Baldwin Lake, which has a small island in the middle of it. You …

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B

4.53 km

End point

Parking

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Way Types & Surfaces

Way Types

3.77 km

748 m

Surfaces

3.77 km

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Elevation

Elevation

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Today

Friday 21 August

27°C

16°C

0 %

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Frequently Asked Questions

Where can I park to access the Pennington Loop Trail?

You can find convenient parking at Kunkel Park, which also offers amenities like a picnic area and children's play equipment. Another access point is available off North Main Street.

Is the Pennington Loop Trail dog-friendly?

Yes, the trail is generally dog-friendly. However, please ensure your dog is kept on a leash and that you clean up after them to preserve the natural environment for all visitors and wildlife.

What is the best time of year to hike this trail?

Spring and fall are ideal for hiking the trail, offering pleasant temperatures and opportunities to spot Neotropical songbirds during nesting season or migration. Be aware that sections of the trail can be quite wet after rain or floods, so consider conditions before you go, especially in wetter seasons.

Are there any permits or entrance fees required for the Pennington Loop Trail?

No, there are no permits or entrance fees required to access the Pennington Loop Trail. It passes through land owned by D&R Greenway, property under a conservation easement, and land belonging to the State's Division of Fish and Wildlife, all of which are accessible to the public.

What should I know about the trail's terrain, especially after rain?

Much of the path traverses a mature hardwood forest within the floodplain of the Stony Brook. This means sections can be quite wet and muddy, especially after rain or floods. Wearing waterproof boots is highly recommended unless conditions are very dry. There is also a higher, drier branch trail available if you prefer to avoid the wetter areas.

What kind of wildlife can I expect to see on the trail?

The area is a valuable wildlife habitat. You can often spot Canada geese and several pairs of swans on Baldwin Lake Wildlife Management Area. Keep an eye out for Great Blue Herons and Wood Ducks in the Stony Brook, and Neotropical songbirds during nesting season or migration.

What are the main natural features or viewpoints along the route?

The trail offers almost constant views of Baldwin Lake Wildlife Management Area. You'll also walk through a mature hardwood forest, skirt an agricultural field, and follow the Stony Brook, where recent riparian restoration efforts have enhanced the habitat.

Does the Pennington Loop Trail connect to other hiking paths?

Yes, the Pennington Loop trails connect to a broader network, including the Lawrence-Hopewell Trail. This provides access to other significant natural areas like the Stony Brook-Millstone Watershed preserve and Mercer Meadows Park.

Is the Pennington Loop Trail suitable for families with children?

Absolutely! The trail is generally considered easy with minimal elevation changes, making it suitable for families. Kunkel Park, a common access point, also features a children's play area, adding to its family-friendly appeal.

Is the Pennington Loop Trail a true loop?

While not a true loop in itself, hikers can connect its ends by walking through the borough's residential streets to form a complete circuit. This allows for a continuous journey back to your starting point.

What should I bring for a hike on this trail?

Given the potential for wet sections, especially after rain, sturdy waterproof boots are highly recommended. Otherwise, standard hiking essentials like water, snacks, and appropriate clothing for the weather are advisable. Binoculars could be great for wildlife viewing.

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