it is 1,100 kilometres (680 mi) northeast of the Canadian capital of Ottawa.

The highest point in the immediate vicinity is 582 metres (1,909 ft) above sea level, 1.0 kilometre (0.62 mi) northeast of Leila Wynne Lake.

The vegetation around Leila Wynne Lake is primarily low growing subarctic forest.

The warmest month is August, when the average temperature is 12 °C and the coldest is January, with -25 °C.

Most of Leila Wynne Lake is underlain by marble of the Denault Formation.