Nosy Alañaña Light, also known as Île aux Prunes Light , is an active lighthouse

Lighthouse

A lighthouse is a tower, building, or other type of structure designed to emit light from a system of lamps and lenses or, in older times, from a fire, and used as an aid to navigation for maritime pilots at sea or on inland waterways....

 in Île aux Prunes, Toamasina Province

Toamasina Province

Toamasina is a former province of Madagascar with an area of 71,911 km². It had a population of 2,855,600 . Its capital was Toamasina, the most important seaport of the country....

, Madagascar

Madagascar

The Republic of Madagascar is an island country located in the Indian Ocean off the southeastern coast of Africa...

. At a height of 197 feet (60 m) it is the twenty-fourth tallest "traditional lighthouse" in the world, as well as the tallest in Africa

Africa

Africa is the world's second largest and second most populous continent, after Asia. At about 30.2 million km² including adjacent islands, it covers 6% of the Earth's total surface area and 20.4% of the total land area...

. It is located on Île aux Prunes (Isle of Prunes), a tiny island about 16 kilometres (9.9 mi) north-northeast of Toamasina

Toamasina

Toamasina , meaning "like salt" or "salty", unofficially and in French also Tamatave, is a city on the east coast of Madagascar on the Indian Ocean. The city is the chief seaport of the country, situated northeast of its capital and biggest city Antananarivo, near the centre of the eastern coast...

.

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