Greenwood Lake

What to know before you go to Greenwood Lake

The center of the lake is at 41.1795, -74.3300. Water leaves through the outflow = Wanaque River. Surface elevation is about 623 feet.

If you need a named beach, Huylers Beach on Oradell Reservoir is some 27 miles from here. Shoreline access on lakes like this one is often informal and unsigned. No named swimming beach is mapped at Greenwood Lake in the federal and state datasets this guide reads. Access is through whatever the operating agency provides on the ground, so check with them first.

Station 01383000, Greenwood Lake at Awosting NJ, publishes the water surface elevation used here. The last value stored here, 618.39 ft, is from 2026-09-09. A falling pool widens the beaches and shortens the ramps, so it is worth checking before you drive out.

Freshwater advisories are issued locally, so check the state health department before you swim. No public sensor reports water temperature at Greenwood Lake, so the panel shows air temperature and wind. Most New Jersey day-use areas open for the summer season and close outside it.

The closest lakes in this guide are Highland Lakes (New Jersey, 6 mi), Wanaque Reservoir (New Jersey, 8 mi) and Woodcliff Lake Reservoir (New Jersey, 19 mi). In all, 12 lakes in New Jersey are covered here.