When the Spanish first came into contact with the Yaqui in 1533, they occupied a territory along the lower course of the Yaqui River.

The devastation to the Yaqui population along the Yaqui River was great.

Lake Ouiachic is fed by and drained by the Yaqui River.

The dam was completed in 1952 with the purpose to regulate water flow of the Yaqui River, prevent floods, and generate electricity.

These people are second most numerous in the state with about 33,000 members traditionally located along the Yaqui River.

The area is crossed by the Sahuaripa River, which is a tributary of the Yaqui River.

In 1949 the Yaqui River overflowed its banks, causing severe damage to agriculture and livestock raising.

The gravel areas of the Yaqui River provide a more beneficial spawning area for the Yaqui Sucker.

The ranchland and valley are part of the headwater region of the Yaqui River.