Paso de Cortés is a high mountain pass at an elevation of 3.400m (11,150ft) above the sea level located in the Izta-Popo Zoquiapan National Park, in the State of Mexico, between the Popocatépetl and Ixtaccíhuatl volcanoes. It’s one of the highest mountain roads of the country.
The road to reach the pass is asphalted. It’s a twisty uphill road, very steep, with lots of trees. Starting from Amecameca, the ascent is 23.97 km long. Over this distance, the elevation gain is 1.279 meters. The average percentage is 5.3 %.
At the summit there’s a big parking and an information center. It’s the start point of the climb to Estación de Altura Altzomoni, a high-altitude weather station at an elevation of 3,985m (13,074ft) above the sea level.