Marmon Valley Farm Share: CampsAgritourismHorseback Riding Marmon Valley Farm Visit Website 7754 St. Rt. 292 S. Zanesfield, OH 43360 (937) 593-8000 (937) 593-6500 (fax) www.marmonvalley.com About About A place for family farm fun. We specialize in farm style recreation for all ages. Enjoy guided horseback rides through the wooded hills of Logan Co, Ohio. Hay rides, pony rides, barn dances, birthday parties and weekend retreats.