Adventurland Campground, Iowa - Rates, Dates, Payment methotds, Discounts RATES, DATES, DISCOUNTS, PAYMENT METHODS: Off Season 10/1-10/31 & 4/1-4/30 Full Hook Up $25/night........ Tent $20/night Park Season 5/1-9/30 Full Hook Up $35/night........ Tent $20/night Peak Times (Memorial Wknd, 4th of July Wknd, Iowa State Fair, & Labor Day Wknd) Full Hook Up $45/night......... Tent $25/night All rates are tax inclusive.