Horizon Guyot
Horizon Guyot is a presumably Cretaceous tablemount (guyot) in the Mid-Pacific Mountains of the Pacific Ocean. It is an elongated ridge, over 300 kilometres (190 mi) long and 4.3 kilometres (2.7 mi) high, that stretches in a northeast–southwest direction and has two flat tops; it rises to a minimum depth of 1,443 metres (4,730 ft).