Lena Koa Kampground, Illinois - Rates, Dates, Payment methotds, Discounts RATES, DATES, DISCOUNTS, PAYMENT METHODS: Rates vary depending on the season and weekdays vs. weekends. Our prime season is Memorial Day weekend through Labor Day weekend and those rates are reflected as follows: Tent Sites: $30 Water/Electric Sites: $35/$36 Full Hookup Sites: $40/$42 1 Room Kabin: $66 2 Room Kabin: $74 Deluxe Kottage: $126 Kamping Lodge: $135 *Lower rates are available Sunday through Thursday. Premium rates are charged on holidays with a 3 day minimum stay. *Save $ with our KOA Value Rewards program.