Free Open House Carnival that will be held on March 26, 2011 from 10:00 a.m. to 4:00 p.m. Parents and kids can tour the camp, try out some of the 40+ activities, meet the camp directors and camp counselors, check out the camp cabins and sample the food. The Camp Olympia Open House Carnival is free to all; including new and returning campers, friends and families.