Eldon, Iowa is a small town located in Wapello County. The climate in Eldon is characterized by humid summers and cold winters, with an average temperature of around 50°F. The town is situated near the Des Moines River, which is a major hydrological feature of the area. The river is known to contain high levels of nitrogen and phosphorus, which can cause algae blooms and harm aquatic life. Outdoor recreation opportunities in Eldon include hiking and camping at Lacey-Keosauqua State Park, fishing and boating on the Des Moines River, and visiting the famous American Gothic House, which inspired the famous painting by Grant Wood.