Home › Venues › Upper Greenwood Lake Upper Greenwood Lake Tickets Buy tickets for concerts at Upper Greenwood Lake in Hewitt, NJ. No Upcoming Events No upcoming events scheduled at Upper Greenwood Lake. Please contact us with any corrections. Hotels & Lodging Near Upper Greenwood Lake About the Venue Upper Greenwood Lake At-a-Glance AddressGreenwood LakeHewitt, NJ 07421United States Map & Directions Advertisement