Journée du Patrimoine au Grand Phare

10 a.m.: guided tour of the Grand Phare. 11 a.m.: nature walk to the Sirène. 2 p.m.: guided tour of the Grand Phare. 3 p.m.: nature walk to the Sirène. 4.30 p.m.: guided tour of the Grand Phare. 8 p.m.: conference of the Astronomical Association of Belle Ile en Mer with video projection at the foot of the Grand Phare (depending on the weather). Information: ccbi.fr or 06 70 63 93 68. Limited number of places for the guided tour of the Grand Phare.