Overview: Lizard Head Pass is a high mountain pass at an elevation of 10,222 ft (3,116 m) above the sea level, located in the San Juan Mountains of Colorado, USA. The grades on both sides of the pass are mild for automobile traffic.The pass is traversed by the asphalted San Juan Scenic Byway (Colorado State Highway 145). The best time to visit is mid-July to early August. The San Juan Skyway is a spectacular drive through the San Juan, Uncompahgre, Wilson and Sneffels Ranges. Colorado's first National Forest Scenic Byway loops through the San Juan Mountains, and has been called "The Most Beautiful Drive in America."