Pennsic is an annual event, in the guise of a "War", between the Kingdoms of the East and the Middle of the Society for Creative Anachronism Pennsic is also the largest Society event, with attendance in recent years exceeding 10,000.
The scheduled activities include large melee battles, tournaments, archery, stage performances, dancing, and hundreds of classes on medieval topics. The marketplace has over 200 merchants selling a variety of wares.
Coopers' Lake Campground is a 500-acre site, located in Slippery Rock, PA. The campground has several shower houses and restrooms, and many porta-johns are rented for Pennsic. Water spigots are adjacent to most camping areas. The camp store is stocked with groceries, ice, bottled water, and many camping items. The campground has a laundry room, an ATM next to the camp store, and a playground.