The Silver Thread Scenic Byway weaves a captivating 75-mile path through Colorado's San Juan Mountains, connecting South Fork to Lake City via Slumgullion Pass at 11,361 feet. This designated National Scenic Byway showcases the region's rich mining heritage while offering spectacular views of the Continental Divide. The route features pristine wilderness areas, historic ghost towns, abundant wildlife viewing, and access to excellent fishing and hiking opportunities in one of Colorado's most remote and beautiful mountain valleys.