Description Available in: Aviron Bayonnais (In Basque: Baionako Arrauna) is a French rugby union club from Bayonne (Baiona, in Basque) in Pyrénées-Atlantiques that currently competes in the top level of the French league system, in the Top 14 competition. In the 2010–11 they finished 7th, whilst in the previous season they finished in a relegation spot, but they were spared the drop because of the bankruptcy filing of 12th-place finisher Montauban.
Founded in 1904, they play at the Parc des Sports also known as Jean Dauger in Bayonne. Their mascot is a pottok pony called pottoka. They have ties to the French Basque community.