Montana retains substantial reserves of gold, both embedded within deep hardrock geological formations and scattered as alluvial placer deposits across historic river basins. While the wild boom days of the 19th-century gold rushes have evolved into sophisticated modern extraction operations, professional mining companies and recreational prospectors alike continue to find significant gold. Modern large-scale resource assessments and advanced exploratory techniques indicate that millions of ounces remain locked away in complex ores throughout the state's storied mining districts.