Willow Lake Day Camp Camp Categories Arts and Crafts, Bus Service, Cooking, Dance, Day Camp, Field Trips, Music, Preschool, Science and Tech, Sports and Fitness, Swimming, Theater and Performing Arts Address 200 Highway 181, Hopatcong, NJ Phone Number 973-663-2267 Website www.willowlakedaycamp.com Email fun@willowlakedaycamp.com Age Range 3 - 14 years When Open now; Minimum enrollment is 4 weeks (number of days per week vary) Activities Aquatics, water sports, athletics, arts, adventure, special events, trips off camp, electives, and more Cost Fees starting at $4,700 for 4 weeks, 3 days per week Information Updated for: 2021