PEND OREILLE LAKE

lake in Kaniksu National Forest, northwestern Idaho, U.S. The largest lake in Idaho, it is about 40 miles (65 km) long and 4 miles (6.5 km) wide and covers an area of 125 square miles (325 square km); it is about 2,500 feet (760 m) deep and is noted for the highly prized Kamloops rainbow trout. The lake (the name of which is derived from the French name [Pend d'Oreille] for the Kalispel Indians, who wore ear pendants) receives the Clark Fork River, which becomes the Pend Oreille River when it leaves the lake.