The Name
French-Canadian fur traders working the Interior Plateau in the early nineteenth century called the tribe they encountered along the lake the Coeur d'Alène — literally "Heart of an Awl." The phrase was idiomatic French for "shrewd" or "sharp-hearted," a backhanded compliment to the tribe's reputation as hard negotiators. The Coeur d'Alene people themselves have used the name Schitsu'umsh — "Those Who Were Found Here" — for as long as oral tradition records. The fur-traders' nickname stuck to both the lake and the city that later grew on its shore.
The Tribe
The Schitsu'umsh occupied a territory spanning the panhandle region that today encompasses northern Idaho, eastern Washington, and the western fringe of Montana. They fished the Coeur d'Alene, St. Maries, and St. Joe rivers for cutthroat trout and bull trout; hunted elk and deer in the surrounding forests; and gathered camas bulbs on the prairies. The lake was central to the Schitsu'umsh world — not a resource to be extracted but a living entity embedded in their cosmology.
First sustained European contact came in the 1840s with Jesuit missionaries, whose relationship with the tribe would produce the oldest standing building in Idaho. Jesuit Father Pierre-Jean De Smet established the original Sacred Heart Mission in 1842 near the St. Joe River, then relocated the mission under Father Antonio Ravalli to a more permanent site above the Coeur d'Alene River floodplain at what is today Cataldo. Between 1850 and 1853, the Schitsu'umsh built the new mission church almost entirely by hand, using the wattle-and-daub techniques of their own building tradition rather than European tools: cottonwood-pole frames, willow-branch lashing, and hand-packed mud plaster applied both inside and out. The roof structure was fitted with wooden pegs. Not a single nail or manufactured fastener was used in the entire building. The Sacred Heart Mission — now preserved as Old Mission State Park — has stood for 170 years.
The Mining Boom and the Silver Valley
Gold was discovered in the tributaries of the Coeur d'Alene River in 1883, setting off one of the last major mining rushes in the American West. The discovery drew thousands of prospectors through the lakeside settlement that would become the town of Coeur d'Alene, and the Northern Pacific Railway quickly extended its line to serve the camps. What followed was silver, not gold, that transformed the region: the Bunker Hill Mine, the Sunshine Mine, and dozens of others made the Coeur d'Alene Mining District the richest silver-producing region on earth by the early twentieth century. The mines are 30 miles east in what locals call the Silver Valley — today home to the Wallace district, whose downtown is a National Historic Landmark.
Coeur d'Alene itself served as the administrative and supply city for the mining district, and the competing pressures of frontier mining culture and railroad commerce shaped its character in the 1880s and 1890s. Labor tensions in the Silver Valley were among the most violent in American history: the Coeur d'Alene Labor Wars of 1892 and 1899 left mines dynamited, workers deported in boxcars, and the Idaho governor calling for federal troops. The conflicts contributed directly to the founding of the Western Federation of Miners and ultimately to the Industrial Workers of the World.
The Lake and Its Geology
Lake Coeur d'Alene is a glacial lake, its basin carved by the advance and retreat of the Cordilleran Ice Sheet during the last glacial maximum approximately 18,000 years ago. The ice sheet also created Lake Missoula — the vast proglacial lake that periodically catastrophically drained westward in the Missoula Floods, the largest known floods in geologic history. Evidence of those floods is visible throughout eastern Washington's Channeled Scablands, which the floods scoured to bedrock.
The Coeur d'Alene River drains into the southern end of the lake. For much of the twentieth century, that drainage also carried heavy metals from upstream mining operations — lead, zinc, and cadmium that settled into the lake's southern sediments and into the floodplain of the river. The contamination is one of the largest Superfund sites in the United States. Cleanup operations have been ongoing for decades. The northern and central portions of the lake, fed by cleaner Spokane River tributaries and high-elevation snowmelt, are notably clear — the water reads emerald-blue because its high clarity and very low nutrient content cause it to absorb red wavelengths and scatter blue, even under overcast skies.
Tubbs Hill
The forested peninsula that juts into the lake just east of downtown is named for Tony Tubbs, an early settler who claimed the land in the 1880s and later donated a portion to the city. For much of the twentieth century the hill was in private hands and threatened by development. A sustained community campaign in the 1970s secured it as permanent public open space. The 150-acre natural area is now one of the most-visited urban natural sites in Idaho, threaded with unpaved trails that trace the perimeter of the peninsula and climb to viewpoints above the lake. The original shoreline vegetation — ponderosa pine, white pine, and Rocky Mountain maple — has remained largely undisturbed.
The Resort Era
As the mining economy stabilized in the early twentieth century, Coeur d'Alene's identity shifted toward its lake. The Fort Sherman military post, established in 1878 on the north shore of the lake to keep order during the mining conflicts, was decommissioned in 1900, and the land was gradually redeveloped. The city positioned itself as a destination: steamboat excursions, summer hotels, and beach recreation for visitors arriving from Spokane by rail.
The contemporary resort on the downtown waterfront — anchored by the Coeur d'Alene Resort, which opened in 1986 — brought a floating golf green, a marina, and year-round conference traffic that reshaped the economy again. The floating green on the lake's 14th hole is one of the resort's signature features: a grass-covered platform moored offshore, moved daily by a small tugboat to vary the shot distance, and reached by a boat shuttle. It holds a place in the Guinness records as the world's only floating golf green.
The City Today
Coeur d'Alene's population of roughly 55,000 sits at the center of a metropolitan area that includes the smaller cities of Post Falls, Hayden, and Rathdrum, with a combined population approaching 180,000. The city is the county seat of Kootenai County and the commercial hub of the Idaho panhandle. Its growth over the past two decades has been among the fastest in the Mountain West — driven partly by remote workers and retirees relocating from more expensive Pacific Coast cities.
Sherman Avenue, the main commercial street, runs parallel to the lake and carries the full spectrum of the city's economy: outdoor outfitters, craft breweries, Italian restaurants, and coffee roasters established enough to have a following. The Coeur d'Alene Tribe operates a casino resort south of the city in the Worley area, on land within the tribe's reservation. The Silver Valley, 30 miles east on Interstate 90, still draws visitors to its intact mining-era town of Wallace — the only American city ever designated a Superfund site, and now leveraging that history as a heritage tourism draw.