To seek the deep.

To explore, survey, and conduct a comprehensive speleological study of the Sistema Huautla area caves. 

* Annual expeditions from 2014-2023 (now 2025 due to 2020 and 2021 being postponed because of the pandemic)

       * Goal of reaching 100 km in length (attained in 2022)

* Goal of reaching 1,610m in depth,  a vertical mile

* Support the underground research of Mexican scientists

PESH, Inc. is an IRS determined 501(c)3 non-profit.

Donations are welcome and needed for our original exploration project. They can be sent by check made out to PESH Inc., mailed to 500 Kingston Dr., Irving, Texas 75061, or by PayPal to sistemahuautla@aol.com. A thank you/tax letter and other interesting information will be sent to you.

Site build: Stephen Eginoire ©2018. www.stepheneginoire.com