Harper, Iowa, is a small town located in the eastern part of the state. The town experiences a humid continental climate, characterized by cold winters and warm summers with moderate precipitation throughout the year. The hydrology of the area is mainly dominated by the English River, which passes through the town, and several small creeks and streams that flow into it. The water quality of the English River is monitored regularly by the state to ensure safe levels of nutrients, sediment, and other constituents. Outdoor recreation opportunities in Harper include fishing, boating, and hiking in the nearby state parks and wildlife areas. The area is also known for its scenic countryside and historic covered bridges.