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Routes
Hiking trails & Routes
United States
New Jersey
Union County
Mountainside

Watchung Yellow, Purple and White Loop

Moderate

4.9

(1492)

18,363

hikers

Watchung Yellow, Purple and White Loop

02:08

8.03km

80m

Hiking

Hike the moderate 5.0-mile Watchung Yellow, Purple and White Loop through Watchung Reservation, featuring Lake Surprise and historical sites

Last updated: February 26, 2026

Waypoints

A

Start point

Parking

Get Directions

1

1.25 km

Watchung Reservation

Highlight • Forest

The Watchung Reservation is a vast parcel of protected land in Mountainside, New Jersey. There are hiking trails, parks/picnic areas, playgrounds, a Nature Center, an abandoned village, and a lake.

Tip by

2

3.16 km

Badgley House

Highlight • Historical Site

Throughout its 250-year history, the Badgley House served various purposes, from a residence to a stable and garage. Around 1907, it was relocated and repurposed as a barn for a …

Tip by

3

4.32 km

Lake Surprise Bathhouse

Highlight • Lake

During the initial decades of the Watchung Reservation's existence, individuals enjoying the park had the opportunity to engage in swimming activities at a designated beach along the lakeshore situated behind …

Tip by

4

4.69 km

Lake Surprise

Highlight • Lake

A lovely damned reservoir in the Watchung Reservation. Plenty of picnic benches around.

Tip by

5

5.33 km

Blue Brook Bridge

Highlight • Bridge

There are nice scenic views of the surrounding woodlands and Blue Brook to be had from here. There is also a nearby car park too, so you could start your …

Tip by

B

8.03 km

End point

Parking

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Way Types & Surfaces

Way Types

5.24 km

2.16 km

534 m

< 100 m

Surfaces

5.10 km

2.52 km

282 m

112 m

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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 (150 m)

Lowest point (90 m)

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Weather

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Today

Saturday 9 May

16°C

9°C

89 %

Additional weather tips

Max wind speed: 14.0 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 Watchung Yellow, Purple and White Loop?

The Watchung Reservation has multiple parking areas. For this specific loop, it's recommended to start near the Lake Surprise Bathhouse or the Trailside Nature & Science Center, both of which offer convenient access to the extensive trail network where this route is formed.

Is the Watchung Yellow, Purple and White Loop suitable for beginners or families?

Yes, this route is generally considered suitable for adventurers of most ages, including families. While the overall difficulty is rated as moderate due to some uneven terrain and roots, many sections are relatively flat. Sturdy shoes are recommended for comfort and stability.

What is the terrain like on this loop?

The terrain on this loop within Watchung Reservation is varied. You'll encounter packed dirt, loose stone, roots, and rocks. The path winds through thick woods and may have muddy sections, especially during spring and fall. Expect rolling ridges and some gradual inclines rather than steep climbs.

What can I see along the Watchung Yellow, Purple and White Loop?

Along this route, you'll experience the rugged, forested landscape of Watchung Reservation. Key highlights include the scenic Lake Surprise, the historic Badgley House, and the Blue Brook Bridge. You might also spot basalt outcrops and glacial erratics, remnants of ancient geological activity.

Does this route connect with other trails in Watchung Reservation?

Yes, this loop is a combination of several blazed trails within the extensive network of Watchung Reservation. It primarily utilizes sections of the Purple Trail and the Sierra Trail, but also incorporates parts of the Orange Trail, Yellow Trail, and Green Trail, allowing for various extensions or alternative routes.

Is the Watchung Yellow, Purple and White Loop dog-friendly?

Yes, dogs are generally permitted on trails within Watchung Reservation. However, they must be kept on a leash at all times to ensure the safety of wildlife and other hikers. Please remember to pack out any waste.

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

The route can be enjoyed year-round, but the fall offers spectacular scenery with peak foliage typically in early to mid-November. Spring brings lush greenery, though trails can be muddier. Summer is pleasant under the tree canopy, and winter hiking is possible, but be prepared for potentially icy or snowy conditions.

Are there any permits or entrance fees required for hiking in Watchung Reservation?

No, there are typically no permits or entrance fees required to access the trails in Watchung Reservation for day hiking. It is a public park managed by Union County, New Jersey.

What should I wear or bring for this hike?

Given the varied terrain, sturdy hiking shoes or boots with good ankle support are highly recommended. Dress in layers, as conditions can change. Bring water, especially on warmer days, and consider insect repellent during warmer months. A map or GPS device is also useful given the interconnected trail system.

Are there any historical sites along the way?

Yes, the route passes by the Badgley House, a notable historical site. The broader Watchung Reservation is rich in history, with other sites like the Feltville Deserted Village accessible via connecting trails, offering glimpses into 19th-century life.

Is there an insider tip for hiking this specific loop?

Because this loop combines multiple blazed trails, it's easy to accidentally veer off course. We recommend downloading the komoot Tour for offline navigation before you go. This will help you stay on the intended Yellow, Purple, and White blazes and discover all the highlights without getting lost.

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