Tuttorqortooq Island Tuttorqortooq Island Tuttorqortooq Island (old spelling: "Tugtorqortôq") is an uninhabited island in the Qaasuitsup municipality in northwestern Greenland. Tuttorqortooq Island is located in Tasiusaq Bay, in the north-central part of Upernavik Archipelago, at the mouth of Kangerlussuaq Icefjord, which separates it from Mernoq Island in the northeast. In the east, the northern tip of Qallunaat Island is separated from Tuttorqortooq by the narrow "Qaqqakassaup Ikerasaa" strait, widening into a bay to the southwest between the two islands. To the west, a small, rocky Horse Head Island buffers the island from the open waters of Baffin Bay. The island is mountainous,
Baffin Island at a similar latitude. Sea ice surrounds the island for most of the year, and only disappears completely from the north coast for short unpredictable periods from mid- to late June until the end of September. Most of Baffin Island lies above the Arctic Circle and all the communities from Pangnirtung northwards have polar night in winter and the midnight sun in summer. The eastern community of Clyde River has twilight instead of night from April 26 until May 13, continuous sunlight for 2½ months from May 14 to July 28, then twilight instead of night from July 29 until