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Hiking trails & Routes
United States
New Jersey
Somerset County

Tributary Trail

Moderate

2.7

(14)

94

hikers

Tributary Trail

03:00

11.0km

150m

Hiking

Hike the moderate Tributary Trail, a 6.9-mile route in Sourland Mountain Preserve with 499 feet of elevation gain, taking about 3 hours.

Last updated: February 26, 2026

Waypoints

A

Start point

Parking

Get Directions

1

3.87 km

Sourland Mountain County Preserve

Highlight • Forest

The Sourland Mountain County Preserve is a beautiful woodland nature preserve run by the Somerset County Park Commission. There are several miles of well-maintained hiking trails that weave through the park.

Tip by

2

4.92 km

White Square Trail

Highlight (Segment) • Trail

The White Square Trail is one of the more popular trails in Sourland Mountain Preserve. This trail leads you gently up to the top of the mountain. As the name suggests, the trail is marked by white squares.

Tip by

3

6.96 km

Boardwalk through woodland

Highlight • Trail

The trail can get a bit swampy here at times, so there is a boardwalk that takes you through the wetland and keeps your feet dry.

Tip by

B

11.0 km

End point

Parking

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Way Types & Surfaces

Way Types

9.11 km

1.70 km

215 m

Surfaces

9.33 km

1.70 km

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (160 m)

Lowest point (30 m)

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Weather

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Today

Thursday 2 July

39°C

26°C

2 %

Additional weather tips

Max wind speed: 17.0 km/h

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Frequently Asked Questions

Where is the Tributary Trail located?

This route, known as the Tributary Trail, is located within the beautiful Sourland Mountain County Preserve in Hillsborough Township, New Jersey. The preserve offers a rugged, natural escape.

What is the difficulty level of this hike?

The Tributary Trail is rated as moderate. It covers a distance of approximately 11 kilometers (6.8 miles) with an elevation gain of about 152 meters (500 feet), making it a good challenge for regular hikers.

What kind of terrain can I expect on the trail?

As a trail within Sourland Mountain County Preserve, you can expect varied forest terrain. The route includes sections of the White Square Trail and features a scenic Boardwalk through woodland, indicating a mix of natural paths and constructed sections.

Are dogs allowed on the Tributary Trail?

Generally, dogs are permitted in Sourland Mountain Preserve, but they must be kept on a leash at all times. Please ensure you clean up after your pet to maintain the natural beauty of the preserve.

Do I need a permit or pay an entrance fee for Sourland Mountain Preserve?

No, there are typically no entrance fees or permits required to access Sourland Mountain Preserve for day use. It is open to the public for recreation.

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

The trail can be enjoyed year-round. Spring offers lush greenery and wildflowers, while autumn provides stunning fall foliage. Summer is pleasant under the tree canopy, and winter hiking can be beautiful, though conditions may be icy or snowy.

What are the main points of interest along the route?

Key highlights include the expansive Sourland Mountain County Preserve itself, sections of the White Square Trail, and a picturesque Boardwalk through woodland. These offer diverse natural scenery and a true forest experience.

Does the trail connect with other paths?

Yes, the route is part of a larger network within Sourland Mountain Preserve. It utilizes sections of the Tributary Trail (53% of the route), Devils Half-Acre Trail (24%), Maple Flats Trail (18%), and Texas Eastern Pipeline Trail (13%), among others, offering a varied hiking experience.

Where can I park to access the Tributary Trail?

Access to the Tributary Trail is typically through designated parking areas within Sourland Mountain Preserve. Specific trailhead parking information can often be found on the preserve's official website or local park maps.

Is the Tributary Trail suitable for families with children?

Given its moderate difficulty and approximately 11-kilometer length, this specific route might be challenging for very young children. However, older children accustomed to hiking should find it enjoyable. Shorter, easier loops might be available elsewhere in the preserve for younger families.

What should I bring for a hike on this trail?

For a moderate 11-kilometer hike, it's recommended to bring plenty of water, snacks, sturdy hiking shoes, and appropriate clothing for the weather. A map or GPS device is also advisable, as are insect repellent and sun protection.

Nearby routes

Moderate

5.0

77

Devil's Half-Acre, Ridge, and Tributary Trail Loop

02:34h

9.20km

180m

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