Bolton Lake is a lake in the Hayes River drainage basin in Census Division No. 22 - Thompson-North Central, Northern Region, Manitoba, Canada. The lake is at an elevation of 212 metres (696 ft); the main body of the lake is about 15 kilometres (9.3 mi) long and 8 kilometres (5.0 mi) wide, but an arm extends a further 11 kilometres (6.8 mi) for a total width of 19 km as well.