This incredible natural phenomenon intrigues, questions and sometimes even fascinates. Here we reveal some of its secrets, because we are like that in Gironde, we share!

  • What is the Mascaret? 

It is a natural phenomenon that occurs on certain estuaries. When the tide goes up the course of a river, it collides with the descending waters, this creates waves, waves and presto, the tidal bore is formed.

  • Where can we see this phenomenon? 

Spots to enjoy the Tidal Bore in Gironde are a bit like mushroom spots, it's sacred and secret... But we'll still give you some tips. On the Garonne side, head towards Langoiran or Podensac. And THE spot on the Dordogne side, at the foot of Castle of Vayres and the port of Saint-Pardon. 

  • Where does this name come from ?

According to legend, the Mascaret comes from the name of a Girondin village, located at the point where the phenomenon occurs furthest upstream on the river: Saint Macaire, quite simply.

  • When can we observe it? 

Between June and October is the good season to see the Tidal Bore in Gironde, on the Dordogne and the Garonne. The wave is formed thanks to the large tidal coefficients: the higher it is, the more imposing the wave will be.

  • Is this phenomenon frequent? 

There are two tidal bores a day, more than 730 a year, but only about fifty are truly remarkable. A tip? The town hall of Vayres provides a tide calendar on its website. What to check before leaving if the conditions are favorable.

  • Can we surf this wave? 

Sure ! Like all waves, the Mascaret lends itself to sliding. Surf, kayak, paddle, longboard, canoe and even jetski come to enjoy the show.

  • Some measurements? 

The tidal bore moves at a speed of 15 to 30 km depending on the location. The wave can reach 2,5m it seems. A hell of a wave that you can surf for 10 minutes (for the most gifted of course)!

  • Any precautions to take? 

Friends spectators, place yourself in height and not along the banks. Indeed, the rising waters may surprise you. In addition, debris can be carried by the tide, be careful. 

  • An appointment not to be missed ? 

The village of Vayres, organizes as every year, the “festival of the river”. Many activities punctuate the day. Gourmet meal (local producers), concert, entertainment for children, something to delight the whole family.

Photo credit ©SOrOlimages