Lake County, CO Events Event Categories Snow Skiing Arts and Crafts Shows Bike Rides Festivals Lake County Event OutlookAugust 9, 2025 Leadville Trail MTB 100 - LeadvilleNovember 16, 2025 Leadville Arts Coalition Arts & Crafts Fair - LeadvilleNovember 27, 2025 Victorian Days - Leadville View our full calendar of events