Sistema Huautla area map with line plots of all known caves in the area. The blue line at the Huautla resurgence is the new part found on the '16 expedition.

Another area map showing Sistema Huautla. Red lines show cave discovered since 2013.

The complex system of 75 kilometers of cave passages in Sistema Huautla. Only the main entrances are labeled. All streams flow into sump 9, the furthest left/bottom part of this plot.

A map of the area around the Huautla resurgence, showing multiple entrances of the Huautla resurgence and the Pena Colorada. Santa Ana Cuauhtemoc was used as base camp for the '16 expedition.