Mullan is a city in the northwest United States, located in the Silver Valley mining district of northern Idaho. The population was 692 at the 2010 census, down from 840 in 2000.
In Shoshone County at the east end of the Silver Valley, Mullan is in a sheltered canyon of the Coeur d'Alene Mountains at an elevation of 3,278 feet (1,000 m) above sea level. The entrance to the Lucky Friday mine is several hundred yards east of the city center; the active mine (silver, lead, & zinc) descends more than six thousand feet (1.1 mi; 1.8 km) below the surface.
Interstate 90 runs by the city's south side, and the Montana border at Lookout Pass is six miles (10 km) east at 4,700 feet (1,435 m) above sea level.
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