Leadville, Colorado: Highest Incorporated City in North America

Elevation: 10,152 feet (3,094 meters) above sea level.

Significance

• Highest incorporated city in USA and North America
• Former silver boomtown (1870s-90s)—2nd largest CO city at peak
• National Historic Landmark District (70+ Victorian buildings)

High-Altitude Living

• Thin air: 69% sea-level oxygen
• Short growing season (~60 frost-free days)
• Extreme UV, rapid dehydration risk
• Acclimatization needed for visitors

Recreation

Gateway to 14ers (Mt. Elbert, Massive), Continental Divide Trail, skiing (Ski Cooper), Turquoise Lake, mining history tours.