Black Chew Head Black Chew Head Black Chew Head in Saddleworth in the Metropolitan Borough of Oldham is the highest point or county top of Greater Manchester in northern England. It stands on moorland on the edge of the Peak District at a height of above sea level, close to the border with the High Peak district of Derbyshire. Black Chew Head is an outlying part of Black Hill, meaning Kinder Scout is its parent peak. It overlooks the Chew Valley, which leads eastwards and northwards to Dovestones Reservoir, and the valley of Crowden Great Brook leading south to Longdendale. The hill is
Chukchi Plateau Chukchi Plateau The Chukchi Plateau or Chukchi Cap is a large subsea formation extending north from the Alaskan margin into the Arctic Ocean. The ridge is normally covered by ice year-round, and reaches an approximate bathymetric prominence of 3,400 m with its highest point at 246 m below sea level. As a subsea ridge extending from the continental shelf of the United States north of Alaska, the Chukchi Plateau is an important feature in maritime law of the Arctic Ocean and has been the subject of significant geographic research. The ridge has been extensively mapped by the USCGC "Healy", and