Chenal du Four
{{Short description|Channel in France}}
{{Use dmy dates|date=May 2019}}
{{Coord|48.359671|-4.816132|display=title}}
File:Faro Canal del Four en Bretaña.JPG
The Chenal du Four is a waterway off the coast of Brittany in north-western France, in the area of Porspoder, between Pointe Saint-Mathieu and the Island of Béniguet.{{cite web
| title = Chenal Du Four
| url = http://www.sailingalmanac.com/Almanac/Navigation/chenaldufour.html
| archive-url = https://web.archive.org/web/20130614000803/http://www.sailingalmanac.com/Almanac/Navigation/chenaldufour.html
| url-status = dead
| archive-date = 14 June 2013
| website = Sailing Almanac
| accessdate = 15 September 2017
}} It is marked by six lighthouses including the Saint-Mathieu Lighthouse and the Kermorvan Lighthouse.{{cite book
| last1 = Towler
| first1 = Towler
| last2 = Fishwick
| first2 = Mark
| title = Reeds Nautical Almanac 2018
| date = 24 August 2017
| publisher = Bloomsbury Publishing
| isbn = 978-1-4729-4801-4
| page = 872
| url = https://books.google.com/books?id=4UsxDwAAQBAJ
| accessdate = 15 September 2017
}} The passage maintains a depth of at least {{convert|25|ft}} at low tide, and is the usual path taken by yachts sailing between the English Channel with the western coast of France.{{cite book
| title = H.O. Pub, Issue 132
| date = 1917
| publisher = United States Hydrographic Office
| pages = 61–4
| url = https://books.google.com/books?id=V3kPAQAAIAAJ
| accessdate = 15 September 2017
| last1 = Reeve-Fowkes
| first1 = Michael
| title = Yachtsman's Manual of Tides
| date = 2007
| publisher = A&C Black
| isbn = 978-0-7136-8290-8
| page = 173
| url = https://books.google.com/books?id=O1HCAwAAQBAJ
| accessdate = 15 September 2017
}}