Adult summer camp on the grounds of the University of Illinois' Allerton Park
Allerton Park and Retreat Center, run by the University of Illinois, hosts Camp Lost Garden, an adult summer camp held over four days in June (June 19-22, 2026) and in the fall. Campers can commute or stay overnight in the Mansion or guesthouses ($80 per night) or tent on the Bowling Lawn ($50 total). The $350 fee covers activities, meals, snacks and drinks; activities include archery, nature journaling, hikes, crafts, relay races, trivia and campfires.
TypeSpace
CategoryAdult camps
Location515 Old Timber Road, Monticello, IL 61856, Monticello, IL
Women's sleepaway camp weekend for adults · Equinunk, PA
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