Earlham, Iowa is a small town located in Madison County, with a population of approximately 1,500 people. The town has a humid continental climate with hot summers and cold winters. The town's hydrology consists of a small creek called the North Branch Middle River, which runs through the town and connects to the larger Middle River. Outdoor recreation opportunities in Earlham include hiking, fishing, and camping at local parks such as Earlham City Park and Lakeview Park. The town is also home to the High Trestle Trail, a popular biking and walking trail that stretches for 25 miles and features a unique bridge with LED lighting.