Ross Atoll Ross Atoll Ross Atoll is a small atoll in the Admiralty Chart with an almost round lagoon. It is located at about five miles from the Northeast point of Ari Atoll. The northern and western sides form one continuous barrier reef, and the eastern side is another barrier reef. The four mile wide lagoon has soundings from 15 to 20 fathoms (27 to 37 m) and abounds in detached coral patches. This natural atoll was named Ross Atoll by Captain Robert Moresby during his survey of the Maldive Islands. It was named after Captain Daniel Ross of the Bombay Navy,
Haa Alif Atoll Secretariat of North Thiladhunmathi Atoll Council is located. The Northern Thiladhunmathi Atoll administrative division consists of a total of 43 islands spread over two natural geographic atolls, namely Northern Thiladhunmathi, and Ihavandhippolhu. Northern Thiladhunmathi is the northern-most portion of the huge Thiladhunmathi Atoll. Thiladhunmathi Atoll was administratively divided into northern and southern divisions in 1958. Ihavandhippolhu lies to the north of Northern Thiladhunmathi, with the Ihavandhoo Kandu channel separating the two, and is the northern-most atoll of the Maldives. It is a small natural atoll 22 km in length. It has 25 islands lying all around the boundary reef. One