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Hiking trails & Routes
United States
New Jersey
Passaic County
Hewitt

Jennings Hollow Trail Loop

Easy

3.3

(5)

60

hikers

Jennings Hollow Trail Loop

01:04

4.04km

30m

Hiking

Hike the easy 2.5-mile Jennings Hollow Trail Loop in Long Pond Ironworks State Park, featuring diverse terrain and a beaver pond.

Last updated: February 26, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Long Pond Ironworks State Park

Waypoints

A

Start point

Get Directions

1

643 m

Lake & Beaver Dam

Highlight • Lake

Very shortly after the junction, where the Jennings Hollow Trail splits, you will reach a little lake and beaver dam. If you're lucky, you can even spot the animals inside the water.

Tip by

2

1.00 km

Jennings Hollow Trail

Highlight (Segment) • Trail

Jennings Hollow Trail is a short trail inside Long Pond Ironworks State Park that usually takes a little more than one hour to hike. The trail follows Jennings Creek up …

Tip by

B

4.04 km

End point

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Way Types & Surfaces

Way Types

4.04 km

Surfaces

4.04 km

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Elevation

Elevation

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Weather

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Today

Friday 10 July

29°C

21°C

59 %

Additional weather tips

Max wind speed: 14.0 km/h

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Frequently Asked Questions

Where can I park for the Jennings Hollow Trail Loop?

Parking is available at the trailhead for the Jennings Hollow Trail Loop. Specific parking areas are typically found within Long Pond Ironworks State Park, which hosts the trail. Always check official park websites for the most current parking information and regulations.

Is the Jennings Hollow Trail Loop dog-friendly?

Yes, the Jennings Hollow Trail Loop is generally dog-friendly. However, dogs should always be kept on a leash, and owners are responsible for cleaning up after their pets. Be prepared for potentially wet and muddy sections, which might be challenging for some dogs.

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

The trail can be hiked year-round, but spring and fall offer pleasant temperatures and vibrant scenery. Be aware that it can be particularly wet and boggy during 'mud season' (typically early spring or after heavy rains), so waterproof footwear is highly recommended during these times.

Are there any permits or fees required to hike in Long Pond Ironworks State Park?

Generally, there are no specific permits or entrance fees required for day-use hiking on trails like the Jennings Hollow Trail Loop within Long Pond Ironworks State Park. However, it's always advisable to check the official New Jersey State Parks website for any updated regulations or special event fees before your visit.

What is the terrain like on the Jennings Hollow Trail Loop?

The terrain is diverse, starting in lowland meadows and marsh before transitioning to forested hillsides. You'll encounter braided streams, rocky sections, and areas that can be quite wet and boggy. The path varies in width, with some sections being wide and others narrower and muddy.

Is the Jennings Hollow Trail Loop suitable for beginners?

Yes, the Jennings Hollow Trail Loop is considered an easy hike, making it suitable for beginners. It's a relatively flat loop with minimal elevation gain, focusing on a pleasant walk around the Jennings Creek drainage. However, be prepared for potentially muddy conditions.

What natural features or wildlife can I expect to see on the trail?

The trail is known for its rich wildlife. You might spot birds, muskrats, deer, raccoons, bears, and porcupines, especially around the active Lake & Beaver Dam. The dense tree cover provides a shaded experience, and you'll follow the scenic Jennings Hollow Trail through the hollow.

Are there any unique challenges or features on the Jennings Hollow Trail Loop?

A unique feature of this trail is the rope-assisted crossings over Jennings Creek. While they might sound challenging, hikers often find them straightforward and enjoyable, with the ropes providing helpful assistance across the water.

How long does it typically take to hike the Jennings Hollow Trail Loop?

The Jennings Hollow Trail Loop typically takes around 1 hour and 4 minutes to complete, covering approximately 4 kilometers (2.5 miles). This duration can vary based on your pace and how often you stop to observe nature.

Does the Jennings Hollow Trail Loop connect with other trails?

Yes, the route primarily follows the Jennings Hollow Trail and also includes sections of the Jennings Hollow Bridge Connector. It can be incorporated into longer 'lollipop loop' hikes that connect with trails like the Highlands or Sterling Ridge Trails for a more extended experience.

Is the Jennings Hollow Trail Loop family-friendly?

Given its easy difficulty and relatively short distance, the trail is generally considered family-friendly. The diverse wildlife and unique rope crossings can be engaging for children. However, be mindful of potentially muddy sections, especially with younger kids.

What should I pack for a hike on this trail?

Essential items include sturdy, waterproof hiking boots, especially during wet seasons, and insect repellent. Bringing water, snacks, and binoculars for wildlife viewing is also recommended. A map or GPS device is always a good idea, even on an easy loop.

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