Imogene Pass is a 13,114 ft high mountain pass in the San Juan Mountains in the southwest part of the US state of Colorado. It crosses a ridge connecting Ouray, Colorado with Telluride, Colorado, and is the highest mountain pass in the San Juan Mountains, and the second highest vehicular mountain crossing in Colorado. The road is accessible by f…Imogene Pass is a 13,114 ft high mountain pass in the San Juan Mountains in the southwest part of the US state of Colorado. It crosses a ridge connecting Ouray, Colorado with Telluride, Colorado, and is the highest mountain pass in the San Juan Mountains, and the second highest vehicular mountain crossing in Colorado. The road is accessible by four wheel drive vehicles, and is not for the novice driver.