Horses make the return trip along the trail to Humantay Lake in the Andes Mountains of Peru. The steep trek to the idyllic lake is a loop that’s around three miles long (5 kms) with an elevation gain of 1,305 feet (398 m). Click the above image to enlarge, click to view my high-resolution photo gallery, or click to read my article “6 Questions and Answers About Humantay Lake.”