Oldman River is a river located in southern Alberta, Canada. It flows approximately 170 kilometers (106 miles) from the Rocky Mountains to the Saskatchewan River. The river is an important water source for agriculture and communities in the region. The river's watershed includes several tributaries and is home to diverse wildlife. It also supports recreational activities such as fishing, kayaking, and hiking along its banks. The Oldman River is significant for its role in irrigation and water management in the Oldman River Basin.