The total size of Cross Ranch is 5,593 acres, 4,953 of which are owned by TNC. The ranch is broken into three main units. The 1,840-acre north unit is located on the banks of the Missouri River and borders Cross Ranch State Park. The central unit consists of 2,300 acres and is located in the Missouri River hills above the floodplain. The south unit is 1,440 acres in size, also located in the Missouri River hills, and is about three miles south of the central unit.