Upper Soda Springs is on the banks of the Sacramento River in Dunsmuir, California, USA. It consists of approximately ten acres (40,000 m²) of level ground on both sides of the River, the surrounding hillsides, and continues north along the eastern bank of the Sacramento River to the Dunsmuir City Park. The State of California and the City of Dunsmuir are creating a new park on this historic site. The Upper Soda Springs site contains a riparian ecosystem and includes its namesake mineral water springs.