Castor and Pollux River

The Castor and Pollux River is located in Nunavut, Canada about 80 kilometres (50 mi) northeast of Chantry Inlet. In 1839 it was reached from the west by Thomas Simpson and Peter Warren Dease who named it after their two boats. At this point the entire north coast of North America had been roughly mapped from the Bering Strait to the Castor and Pollox River. In 1854 it was reached from the east by John Rae (explorer), thereby closing the last gap in the line from Bering Strait to Hudson Bay.

Map of Castor and Pollux River, Kitikmeot, Unorganized, NU, Canada