North of Finistère, facing Roscoff, it is part des Iles du Ponant. Harvesting and burning of seaweed has long been the main activity of the inhabitants.

The island of Batz - Bed of Kerscao (29)

Lighthouse on the island of Batz

The island brings together many riches. It has over 650 species of algae, some of which are used in agriculture, medicine, cosmetics, agroalimantaire and thalassotherapy.

Many species of protected plants have been recorded and many birds such as herons, egrets, the tern, the shelduck, cormorant, pied oystercatcher, ringed plover or the land on the island.

One can also discover many shells many and varied: the turritelle the calliostome, the spiny cockle, the periwinkle rocks, or barter.

Walking around the island, whose walk is 10 km on foot, you décourvirez the lighthouse built in 1836 from a height of 44 meters, the semaphore, the chapel of Lannou, Trou du Serpent, the wild coast north, the beaches and Porz Leien Kefenn, the grade range of the Greve Blanche.

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