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 m; the main body of the lake is about 15 km long and 8 km wide, but an arm extends a further 11 km for a total width of 19 km as well. The primary inflows are the Bolton River from the west and the Nikik River from the south, and the primary outflow is Bolton River, whose waters eventually flow into Gods Lake, and via the Gods River and the Hayes River into Hudson Bay.