Images of hypogean and epigean localities surveyed in this study a main entrance of Paso Burro cave b interior of Paso Burro cave where it can be seen an underwater aqueduct pipe traversing the main channel c Río Suchiapa riverbed near the access point to El Chorro Grande cave d, e Inside of El Chorro Grande cave, showing its massive cross-section size and different types of correspondingly enormous speleothems f aerial view of La Conchuda waterfall, which flows into the Río La Venta from the Los Bordos cave g interior of the Los Bordos cave showing a pool where fishes where collected h aerial view of the Río La Venta canyon at El Aguacero waterfall, near El Encanto cave (located in the same premises as the red roof house seen at the bottom of the photograph i inside El Encanto cave at entrance point, showing boats normally used by tourists who want to navigate the interior of the cave.