Baa Atoll surface. The atoll is formed by 105 coral reefs, representing a reef surface of 263 km. These reef surface in 61 islands provided with vegetation, and a variable number of sandy cays (between 4 and 14). Half (38) of these islands are less than 10 hectares, constituting less than 20% of the atoll lands. The biggest island is Dharavandhoo (45,5 ha), followed by Kunfunadhoo (35 ha). The highest point, difficult to establish, can be situated in Funadhoo, with 3,19 m over the sea level. Maalhosmadulu Atoll is also considered as a good example of the rich biodiversity found in the
Northern Thiladhunmathi Atoll Northern Thiladhunmathi Atoll Haa Alif Atoll - officially referred as Thiladhunmathi Uthuruburi (Northern Thiladhunmathi Atoll) is the northernmost administrative division of the Maldives. As the administrative division known as Haa Alif it includes Ihavandhippolhu, the northernmost natural atoll of the Maldive archipelago, as well as a section of the larger Thiladhunmathi or Tiladummati Atoll. Thiladhunmathi was divided into its northern and southern divisions on May 21, 1958. The north division was integrated with Ihavandhippolhu forming administratively a new atoll called Haa Alif atoll or Thiladhumathi North. In total Haa Alif atoll contains 42 islands, 14 of which are inhabited.At present