Purchase a ticket to watch a game at Stade dAguilera. If there's nothing on while you're in the area, you might like to check if the stadium offers a tour of the grounds.
If you're staying a while in Biarritz, Stade d'Aguilera is a good place to start your exploring. This sporting facility is one of many attractions worth checking out here. Cote des Basques, Grand Beach, and Biarritz Aquarium are also ready to be explored close by.
