The Eisenhower Memorial Tunnel sits at an elevation of 11,013 feet at the East Portal and 11,158 feet at the West Portal. The Tunnel traverses through the Continental Divide at an average elevation of 11,112 feet. When originally opened in the 1970s, the tunnel was not only the highest vehicular tunnel in the U.S, but at that time it was also the highest in the world. #amateurphotography #amateurphotographer #colorado #modernmarvels #eisenhowertunnel