Twin Lakes  colorful Colorado Autumn scenic  view with snow dusted Rocky Mountains.  Twin Lakes is located in Lake County, Colorado, United States near the base of Mount Elbert. The population as of the 2010 Census was 171.  Mount Elbert is the highest peak in the Rocky Mountains of North America. At 14,440 feet (4,401 m), it is the second-highest mountain in the contiguous United States (after Mount Whitney in California), the highest of the fourteeners of Colorado, the fourteenth-highest mountain in the United States, and the highest point of the Sawatch Range. Situated in Lake County approximately 10 miles (16 km) southwest of Leadville, it lies within the San Isabel National Forest, near Twin Lakes, in the center of the state of Colorado.