Avaiki Chasmata (Rhea)
Underworld in mythology of Cook Islands (Polynesia), home for mother of Vatea, the ancestor of gods and humans.
A chasma is a deep, elongated, steep-sided depression. On Rhea they are named after people and places from creation myths (with Asian emphasis).
Image Source. Marker locations are approximate and may not always appear to align with image on map.
