Ts'oogot Gaay Lake is one of Canada's most westerly lakes, located in the south-west corner of Yukon at the Beaver Creek border with Alaska, 30 kilometres (19 mi) NW along the Alaska Highway from Beaver Creek's townsite.

[1] Ts'oogot Gaay Lake is 567 metres (1,860 ft) above sea level and measures 0.18 km2 (0.069 sq mi).

[2] The highest point nearby is 792 m (2,598 ft) above sea level, 2.1 km (1.3 mi) west of Ts'oogot Gaay Lake.

The vegetation around Ts'oogot Gaay Lake is mainly sparse and often low-growth subarctic forest.

The warmest month is July, when the average temperature is 14 °C (57 °F), and the coldest is January, at −24 °C (−11 °F).