In Brittany, the sea recedes every day, and then comes back six hours later. It’s the changing of the tides… Depending on the coefficients, they can be small or big; above 100, it’s known as a high tide. From 22 to 25 January, 20 to 23 February and 21 to 24 March 2023, landscapes that are inaccessible during the rest of the year will be revealed to you. Here is a selection of the best observation spots and events for all the family.