Défi du Grand Phare

2 weekends to take up the challenge!!! By climbing the 247 steps of the Grand Phare, help the fight against rare genetic diseases and orphan diseases thanks to your donation, 1€ minimum per climb. And the presence of Belle île by donkey from 10 a.m. to 5 p.m. New this year: a quiz on the Telethon and the Lighthouse.