To Sua Ocean Trench - Samoa
Tosua actually means a “Gigantic Swimming Hole”. It is believed that lava field blow holes making thees tide pools and walking paths along the shore and near the ocean’s edge. it is about 30 meters down from the ground level, one must climb down a long ladder to the natural pool. The pool is situated close to Lotofaga, which is a village on the south coast of Upolu island in Samoa.