Nosy Alañaña Light

Nosy Alañaña Light, also known as Île aux Prunes Light (Phare de l'Île aux Prunes), is an active lighthouse in Île aux Prunes, Toamasina Province, Madagascar. At a height of 197 ft it is the twenty-fourth tallest "traditional lighthouse" in the world, as well as the tallest in Africa. It is located on Île aux Prunes (Isle of Prunes, Nosy Alañaña), a tiny island about 16 km north-northeast of Toamasina.

The island is accessible by boat, and the site is open, but the tower is closed to the public.