Tasersuatsiaq

Tasersuatsiaq is a lake in central-western Greenland, in the Qeqqata municipality. It is located southeast of Kangerlussuaq, with a depth of, covering an area of 750ha. During the operating years of the American base at Bluie West Eight at Kangerlussuaq the lake was referred to as Lake Ferguson. The lake and the Roklubben Restaurant at its western shore are connected to Kangerlussuaq by a gravel road, one of the very few in Greenland. Tasersuatsiaq is a source of fresh water for Kangerlussuaq.
In 2025, research by the University of Maine Climate Change Institute reveals that Tasersuatsiaq had browned due to two months of record heat and precipitation in fall 2022, and may not be able to recover from the browning state.

Geography

The 2x6km lake is separated from the valleys of Qinnguata Kuussua and Akuliarusiarsuup Kuua, as well as the Kangerlussuaq settlement in the north by a low tundra ridge of Qaarsorsuaq. To the west lies the far end of the Kangerlussuaq Fjord. On the southern and eastern side it is bounded by a vast highland of Ammalortup Nunaa, the original region artificially populated with 27 muskoxen.

Flora and fauna

The bottom of the lake is covered with pondweed meadows. Muskoxen and reindeer are common in the area.