Lake NJ

SURPRISE LAKE

Explore Surprise Lake in West Milford, NJ—a stunning natural swimming hole reachable via a rewarding hike. Perfect for adventurers and nature lovers.

Free
Access
Unofficial
Status
Pretty confident
Confidence
Surprise Lake
Water Body

Location Details

Nearby Towns
GREENWOOD LAKE (NY), WEST MILFORD (NJ)
Coordinates
GREENWOOD LAKE (NY), NJ

Discover Surprise Lake: A Hidden Swimming Hole in NJ

How to Get to Surprise Lake: Trailhead and Directions

Surprise Lake is nestled in the rugged wilderness of northern New Jersey, straddling the border between Greenwood Lake, NY, and West Milford, NJ. To reach this hidden gem, hikers start from the State Line trailhead near Greenwood Marina. The parking lot serves as the starting point for an uphill journey marked by blue-on-white trail blazes that guide adventurers to their destination.

The Hiking Adventure: What to Expect on the State Line Trail

The hike to Surprise Lake offers a challenging yet rewarding experience. The uphill climb includes a stunning overlook of Greenwood Lake, where hikers are treated to panoramic views that are nothing short of breathtaking. This viewpoint alone makes the trek worthwhile, but the promise of pristine waters further along the trail motivates visitors to keep going. Sturdy boots and plenty of water are essential for this strenuous hike, especially during hot weather.

Swimming at Surprise Lake: Tips for the Best Experience

The lake’s cool, refreshing waters are perfect for swimming during the warmer months. However, visitors should note that there are no facilities, lifeguards, or designated swimming areas, so caution is advised. The natural freshwater basin offers clear waters that reflect the surrounding greenery, creating a tranquil atmosphere. Seasonal variations may affect the lake’s depth and clarity, but its mirror-like surface remains a consistent highlight.

Nature and Wildlife at Surprise Lake: Flora and Fauna Highlights

Surprise Lake is surrounded by dense forests that serve as a haven for wildlife. Deer, foxes, and various bird species are often spotted in the area, while turtles and frogs can be found along the lake’s edges. The flora is equally captivating, featuring towering oaks, maples, pines, ferns, and wildflowers. Photographers will find the golden hour particularly magical, with the lake shimmering beneath the sun or glowing softly under twilight.

Seasonal Beauty: When Is the Best Time to Visit Surprise Lake?

Each season brings its own unique charm to Surprise Lake. Spring ushers in an explosion of wildflowers along the trail, summer offers ideal swimming conditions, and autumn transforms the landscape into a tapestry of fiery reds and oranges. Visitors should plan their trips based on their preferred activities and seasonal highlights to make the most of their experience.

Safety Tips for Hikers and Swimmers at Surprise Lake

Given its remote location and lack of facilities, safety is paramount at Surprise Lake. Swimmers should test the waters cautiously before diving, as depth and underwater terrain can vary. Hikers should wear sturdy footwear and bring sufficient water for the challenging trek. Cell service is unreliable in the area, so it’s wise to inform someone of your plans before heading out. Following Leave No Trace principles is essential to preserve the ecosystem.

Nearby Attractions: Exploring Greenwood Lake and Sterling Forest

Surprise Lake is surrounded by additional attractions for those looking to extend their adventure. Greenwood Lake offers opportunities for boating, fishing, and dining, while Sterling Forest State Park provides access to more hiking trails and scenic vistas. Whether you’re an outdoor enthusiast, a casual hiker, or a nature photographer, these nearby destinations complement the experience at Surprise Lake beautifully.

Getting There

Directions to Surprise Lake, NJ

Surprise Lake is located in northern New Jersey, near the border with New York. Below are clear, step-by-step directions to help you reach the parking area and access the trailhead leading to the lake.


Driving Directions:

  1. Start in West Milford, NJ
    West Milford is located in northern New Jersey, south of the New York state border. If you're unfamiliar with the area, use GPS to navigate to West Milford as your starting point.

  2. Head North on Route 513 (Union Valley Road)
    From West Milford, drive north on Route 513 (Union Valley Road) for approximately 2.1 miles.

  3. Turn Left onto County Road 511 North (Lakeside Road)
    After 2.1 miles, turn left onto County Road 511 North, also known as Lakeside Road. This road runs along the western shore of Greenwood Lake.

  4. Continue to the New York State Line
    Follow County Road 511 North for several miles until you reach the New York state line. Along the way, you will pass scenic views of Greenwood Lake. Look for Greenwood Marina, which will be on the right-hand side of the road (east side).

  5. Park Across from Greenwood Marina
    There is a parking lot directly across the road from Greenwood Marina. Use this lot to park your vehicle. Parking is free, but spaces may be limited during busy times, so plan accordingly.


Trailhead and Hiking Directions:

  1. Locate the State Line Trailhead
    From the parking lot, look for the State Line Trailhead, marked with a blue-on-white blaze. The trailhead is easy to spot near the parking area.

  2. Begin Your Hike
    The hike to Surprise Lake is approximately 1.2 miles and is considered strenuous, as it involves a steady uphill climb. Be prepared for rocky terrain and bring water and appropriate footwear.

  3. Enjoy the Overlook
    Along the trail, you will pass a stunning overlook with views of Greenwood Lake. This is a great spot to take a break and enjoy the scenery.

  4. Arrive at Surprise Lake
    Continue on the trail until you reach Surprise Lake. The lake is secluded and surrounded by natural beauty, making it an ideal spot for relaxation and exploration.


Additional Notes:

  • Parking: The parking lot across from Greenwood Marina is the best option for accessing the trailhead. Arrive early during peak times to secure a spot.
  • Trail Conditions: The trail is steep and rocky in sections, so it is recommended for experienced hikers or those in good physical condition.
  • Preparation: Bring water, snacks, and appropriate hiking gear. Cell service may be limited in some areas, so plan ahead.

Enjoy your visit to Surprise Lake!

Highlights

Challenging hike with stunning views of Greenwood Lake
Refreshing freshwater swimming experience
Rich wildlife and diverse plant life
No facilities, offering a raw and natural experience
Perfect for photographers seeking scenic shots

Unique Features

Remote and untouched natural swimming hole
Panoramic views of Greenwood Lake en route
Wildlife-rich surroundings
Seasonal beauty with changing foliage and flora

Location & Area Map

Safety Information

Important Safety Tips

Swim cautiously due to varying depths and underwater terrain. Wear sturdy boots for the hike and bring sufficient water. Cell service is limited, so inform someone of your plans before heading out.

Cultural & Historical Context

Historical Background

Located near Surprise Lake Camp, the oldest Jewish summer camp in the U.S., the area holds historical significance even though the camp itself is in New York.

Photography Guide

Photo Opportunities

The Greenwood Lake overlook provides sweeping views perfect for wide-angle shots, while the lake itself is ideal for capturing reflections, wildlife, and serene landscapes during golden hour.

Conservation & Ethics

Protect This Place

Visitors are urged to practice Leave No Trace principles to protect the fragile ecosystem. Avoid littering and stay on designated trails to minimize environmental impact.

You Might Also Like

Visit Information

Best Time to Visit
Late spring through early fall are ideal for visiting Surprise Lake. Spring offers blooming wildflowers along the trail, summer provides perfect swimming conditions, and fall showcases vibrant foliage that enhances the surrounding landscape.
Difficulty Level
Moderate to strenuous. The uphill hike to Surprise Lake spans 1.2 miles and requires sturdy footwear and a good level of fitness. The trail includes steep sections and uneven terrain.
Fee
None
Facilities
Surprise Lake has no facilities, so visitors should come prepared with water, snacks, and any necessary supplies. The lack of amenities enhances its untouched appeal.
Activities
Unknown

Camping Information

Unknown

Nearby Attractions

  • Greenwood Lake for boating and fishing
  • Sterling Forest State Park with additional hiking trails
  • Greenwood Marina with lakeside dining options
🌤️

Weather Information

Weather data is currently unavailable for this location.

Check Weather.gov for local conditions

Explore More Swimming Holes

Discover other amazing natural swimming destinations across America