Poortsundet is a sound that separates Nordre Repøya from Søre Repøya, off Orvin Land at Nordaustlandet, Svalbard. The Poortsundet sound has a width of about 1.4 nautical miles. It is named after the Arctic explorer William Poort.[1]
- ^ "Poortsundet (Svalbard)". Norwegian Polar Institute. Archived from the original on 23 October 2013. Retrieved 20 October 2013.
- Arctic Pilot: Sailing directions Svalbard–Jan Mayen. Vol. 7. Stavanger: The Norwegian Hydrographic Service and The Norwegian Polar Institute. 1988. p. 332. ISBN 82-90653-06-9.