Geoconservation Research (Geoconserv. Res.) El Hierro UNESCO Geopark: Geological Heritage, Geoconservation and Geoturism. Volume 6 (2023) Issue 1, June 2023 (Volcanism & Geoconservation, Edited by João Carlos C. Nunes & Michael J. Benton) 2023 11 17 El Hierro UNESCO Geopark: Geological Heritage, Geoconservation and Geoturism. 10.30486/gcr.2023.1980922.1123 EN Ramón Casillas Ruiz El Hierro UNESCO Global Geopark, Spain Department of Animal Biology, Edaphology and Geology of the University of La Laguna; Cultural Chair, "Telesforo Bravo" of the University of La Laguna. Biology Section of the Faculty of Sciences. C/ Astrofísico, Francisco Sánchez s/n. San Cristobal de La Laguna. 38200. Santa Cruz de Tenerife. Canary Islands. Spain 0000-0002-8273-861X Yurena Pérez Candelario El Hierro UNESCO Biosphere Reserve and Global Geopark. El Hierro Island Council (Cabildo Insular) Cristina Ferro Fernández El Hierro UNESCO Global Geopark Press Department Journal Article 2023 11 17 El Hierro UNESCO Global Geopark, the first declared in the Canary Islands, treasures an impressive geological heritage, represented by its Geological Interesting Places (GIPs or geosites) has as foremost exponents those related to the formation of mega-landslides and the formation of extensive fields of pahoehoe lava-flows associated with the historical or prehistoric fissure vulcanism that occurred concerning the activity of its three ridges. This interesting geological heritage has been made available to the island's human community, embodied in an incipient geological tourism as a complement and continuity to the sustainable growth policy initiated by the local authorities decades ago.