7 miles south of Tiffin off of State Route 53. Walnut Grove is a family oriented campground with 230 sites and cabins. Open May 1 through October 31. Featuring activities, dances, game room, swimming pool, river/pond, fishing, wildlife viewing, laundry, picnic shelters, grocery store, RV supplies, firewood and propane. Laundromat available. Kayaks, canoes, and paddleboats available.