Saint George Basin in Australia, satellite image. This basin is deep harbour on Australia's north-western coast, in the Kimberley region. It is bounded by steep cliffs with large expanses of tidal mud flats and mangroves. The Prince Regent River flows into the basin at lower right. Across top is part of the Prince Regent National Park, a UNESCO Biosphere Reserve. Image data obtained on 16 June 2009, by JAXA's Advanced Land Observation Satellite (ALOS) satellite.