Denver is a small town in northeastern Iowa, situated in Bremer County. The town has a humid continental climate with warm summers and cold winters. The average high temperature in July is 83 degrees Fahrenheit, while the average low temperature in January is 8 degrees Fahrenheit. Denver is located near the Wapsipinicon River, which is a major hydrologic feature of the area. The river provides opportunities for outdoor recreation, including fishing, canoeing, and kayaking. There are also several parks in the area, including Denver City Park and Three Elms Park, which offer hiking trails, playgrounds, and picnic areas. The hydrology constituents of the area include nitrate and sediment, which can impact water quality in the river.