Alphonse Atoll Alphonse Atoll Alphonse Atoll is one of two atolls of the Alphonse Group, the other being St. François Atoll — both in the Outer Islands (Coralline Seychelles) coral archipelago of the Seychelles. Alphonse Atoll lies south of the main Amirantes bank, from which it is separated by deep water. It has a distance of south of Victoria, Seychelles. Alphonse lies just north of St. François Atoll, separated from it by a deep channel. The atoll has just one island, Alphonse Island, with a population of 108 people who work in the Alphonse hotel or maintain the runway and island for
Baa Atoll Biosphere Reserve the environment. Baa Atoll has a warm and humid tropical climate. The weather is dominated by two monsoon periods – a rainy monsoon period, which lasts from May to November, and a dry monsoon period, which lasts from January to March. The dominant natural environment of the reserve is marine, surrounded by deep ocean. The water depth varies considerably and includes lagoons with depths ranging from 30 m to 80 m, opening into the Indian Ocean, while channels running through the atoll may be up to 250-300 m in depth. The lagoons enclose a variety of reef structures including faros,