Grosser Mythen (Mythen Major), also called Gross Mythen (Great Mythen) or Grosse Mythen is a mountain in the GlarusAlps, located near the swiss village of Schwyz. It is considered a tectonic island or klippe,formed by materials from a riding mantle that have been transported above indigenous materials and have undergone a subsequent erosion process that has isolated it from the rest of its running mantle. https://es.wikipedia.org/wiki/Grosser_Mythen Kleiner Mythen (Mythen minor) or Klein Mythen (Little Mythen)is a mountain in the GlarusAlps, located near the swiss village of Schwyz. It is considered a tectonic island or klippe,formed by materials from a riding mantle that have been transported above indigenous materials and have undergone a subsequent erosion process that has isolated it from the rest of its running mantle