Run from San Pedro station in Cusco until Aguas Calientes (from here, by bus 20 min.). Buy ticket in advance! The ticket office is open from Monday to Friday, 07 to 17 hours, and on Saturday, MOnday and holidays, 07 to 12 hours only. There are three categories: backpacker (cheapest), vistadome and the luxury Hiram Bingham. The starts is so early in the morning. Take so care with the thiefs. IN the rainy season the trip can be affected by muslides.