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Surprise Lake Loop from Longhouse Drive route map
Difficulty: ModerateLoop
New Jersey

Surprise Lake Loop from Longhouse Drive

Hewitt, New Jersey

6.8 mi

Distance

1,001 ft

Elev. Gain

2h 43m

Est. Time

Loop

Route Type

Moderate

Difficulty

About This Trail

Surprise Lake Loop from Longhouse Drive is a loop trail in Passaic County, New Jersey. It is 6.8 miles long and gains 1,001 feet. It is in or next to Upper Greenwood Lake, New Jersey.

From the trail data on this page.

Trail Conditions

Trail Conditions

Unknown

We have no current condition data for this trail. Check with the operator before you go, and submit a report below if you've been recently.

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Elevation Profile

Min:339 ft
Max:425 ft
Gain:305 ft
Loss:305 ft
Elevation profileA line rising and falling between 339 ft and 425 ft across 5.6 mi along the route, drawn from start to end.339 ft368 ft396 ft425 ft0.0 mi1.4 mi2.8 mi4.2 mi5.6 mi

Elevation at the labelled points along this route
PointDistance from startElevation
Start0.0 mi349 ft
High point3.2 mi425 ft
End5.6 mi349 ft

Trail Details

Route Type
Loop

Official sources & verification

Verify before you go

Where it is

Nearest town:
Upper Greenwood Lake, NJ · in or next to town
County:
Passaic County, NJ

Nearest town and county from U.S. Census Bureau place records and county boundaries.

We display cached information from agency feeds. Hours, fees, permits, closures, fire restrictions, and conditions change without notice. Outdoors is not the permitting authority. Confirm current conditions for this trail using the links above before you go — you are responsible for compliance. Last verified by us: May 23, 2026. Our copy is more than a month old — please reconfirm with the agency before relying on it.Spot an error in our data?

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Legacy import — verify before navigating

Path geometry came from our pre-launch legacy database. Routes have not yet been re-verified against the operator and may differ from the actual trail.

Nearby Trails

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Creek, Fuller Mountain, and South Loop

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Fuller Mountain Trail

Fuller Mountain Trail

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TrailDifficulty: Moderate
Fuller Mountain and Creek Loop

Fuller Mountain and Creek Loop

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William Hoeferlin, Wayward, Iron Mountain, and Black Eagle Loop

William Hoeferlin, Wayward, Iron Mountain, and Black Eagle Loop

5.1 mi
TrailDifficulty: Moderate
Cascade Lake Loop (Red Trail)

Cascade Lake Loop (Red Trail)

1.5 mi
TrailDifficulty: Easy

Stay nearby

Campgrounds near this trail

More campgrounds

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