Lake Pend Oreille

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Lake Pend Oreille
Lake Pend Oreille.jpg
Aerial view
LocationBonner / Kootenai counties, Idaho, USA
Coordinates48°10′0″N 116°20′0″W / 48.16667°N 116.33333°W / 48.16667; -116.33333Coordinates: 48°10′0″N 116°20′0″W / 48.16667°N 116.33333°W / 48.16667; -116.33333
Primary inflowsClark Fork River, Pack River
Primary outflowsPend Oreille River
Basin countriesUnited States
Surface area148 sq mi (383 km2)
Max. depth1,150 ft (351 m)
 
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Lake Pend Oreille
Lake Pend Oreille.jpg
Aerial view
LocationBonner / Kootenai counties, Idaho, USA
Coordinates48°10′0″N 116°20′0″W / 48.16667°N 116.33333°W / 48.16667; -116.33333Coordinates: 48°10′0″N 116°20′0″W / 48.16667°N 116.33333°W / 48.16667; -116.33333
Primary inflowsClark Fork River, Pack River
Primary outflowsPend Oreille River
Basin countriesUnited States
Surface area148 sq mi (383 km2)
Max. depth1,150 ft (351 m)

Lake Pend Oreille (pronounced: pond-o-ray) is the largest lake in the northern Idaho Panhandle, with a surface area of 148 square miles (380 km2). It is 43 miles (69 km) long, and 1,150 feet (350 m) deep in some regions, making it the fifth deepest in the United States. It is fed by the Clark Fork River and the Pack River, and drains via the Pend Oreille River. It is surrounded by national forests and a few small towns, with the largest population on the lake at Sandpoint. The majority of the shoreline is non-populated. All but the southern tip of the lake is in Bonner County. The southern tip is in Kootenai County and is home to Farragut State Park, formerly the Farragut Naval Training Station during World War II of which a small part is still active and conducts US Navy acoustic underwater submarine research.[1][2]

The surrounding forests consist of Ponderosa pine, Douglas fir, Red Cedar, Poplar, Quaking Aspen, Hemlock, Paper Birch and Western Larch.[3][4] Local animal species include white-tailed deer, elk, gray wolves, moose, squirrels, black bears, Grizzly bear, coyotes and bobcats, along with bald eagles, osprey, owls, hummingbirds, hawks, woodpeckers, ducks and the mountain bluebird. The lake is a home for several species of migratory water fowl.

History[edit]

Garfield Bay on Lake Pend Oreille

Lake Pend Oreille was glacially formed during the ice age. It is also believed that the eastern side of the lake was in the path of the ancient Missoula Flood. The lake sits at the south end of the Purcell Trench,[5] carved by glaciers moving south from Canada. The eastern side of the glacier is believed to have formed the dam for the Missoula flood, at the point where the Clark Fork river enters the lake between the Cabinet and Bitteroot mountains. The lake is made larger by the dam at Albeni Falls, just east of Oldtown, Idaho. The dam is 90 feet (27 m) high and produces over 200 million kilowatt hours of electricity yearly. It is run by the Bonneville Power Administration. Along with Crater Lake, Lake Tahoe, Lake Chelan, and Flathead Lake, it ranks as one of the five deepest lakes in the United States.

The area around the Lake is the traditional home of the Kalispell Indian peoples. David Thompson established a North West Company trading post on the lake in 1809. A French Canadian fur trader in Thompson's party is believed to have given the lake its name. The words "Pend Oreille" are French for an ear-hanging or pendant. Ear pendants were characteristic of the Kalispell tribe. The lake is shaped much like a human ear when viewed from above or on a map.

During World War II, the south end was the second largest naval training ground in the world. Built as a result of the Japanese attack on Pearl Harbor, the training station is now Farragut State Park. The lake is still used by the Navy's Acoustic Research Detachment to test large-scale submarine prototypes: the significant depth gives acoustic properties similar to the open ocean.[6]

Other information[edit]

The following towns are adjacent to the Lake:

The lake is viewed from the Pend Oreille Scenic Byway, State Highway 200 along the north shore. Much of the shore is mountainous. The mountains to the east are the Green Monarchs; to the north are the Cabinet Mountains; to the southwest the Coeur d'Alène; and to northwest are the Selkirk Mountains.

Geology[edit]

For more information on the geology of the Lake Pend Oreille see

Aquatic Invasive Species[edit]

Bonner County Public Works oversees Eurasian Milfoil treatment in Lake Pend Oreille. A group of Sandpoint moms, Mothers for Safe Water is concerned about this use of herbicides to treat milfoil.

Fish[edit]

The lake is home to many species of fish, including Rainbow trout, Lake trout, Perch, Black Crappie, Largemouth Bass, Smallmouth Bass, Whitefish, Walleye, Northern Pike and Kokanee. Lake Pend Oreille is also the home of the 37 pound state record Kamloops rainbow trout caught by Wes Hamlet in 1947. [1]

Conservation[edit]

References[edit]

External links[edit]