Mendota Hills Campground – Illinois Camping hosts a large lakefront and wooded sites and is available from one day to one year. Secluded sites, sanitary station, modern restrooms, showers, store, firewood, laundry, hayrack rides, boat rental, hiking, game room, 2 social halls, heated barn for square dancing and groups, heated party room. * New! Golf Cart Rentals. Snowbirds welcome. Activity calendar on request. Golf driving range open to the public. 3 1/2 miles south of Amboy on U.S. Rte 52. 12 miles NW of Mendota.