King's Trough King's Trough King's Trough is an undersea trough in the Atlantic Ocean. It is located on the east side of the Mid-Atlantic Ridge, northwest of the Açores-Biscay rise and roughly 400 km NNE of the Azores. It is about 400 km long, running in a NW–SE direction. To the east it branches into the Peake Deep and Freen Deep. The center depth is 4500 m. Surrounding the trough are high ridges and seamounts, such as the Antialtair seamount and the Crum seamount complex. Various explanations for the complex have been suggested, ranging from compression a former plate-boundary, transform faulting or
Rockall Rockall" sailing race, sponsored by Galway Bay Sailing Club, runs from Galway, Ireland, around Rockall and back. It was held in 2012 to coincide with the finish of the 2011–12 Volvo Ocean Race around the world. The 2015-2016 Clipper Round the World Yacht Race race 12 from New York to Londonderry was extended around Rockall despite previous promises to crew from Sir Robin Knox-Johnston that this would not happen again after the race to Danang. In 2017, the Safehaven Marine team led by Frank Kowalski set a world record for the Long Way Round Circumnavigation of Ireland via Rockall island.