Hello,
Bumping lake is a nice fishery. My family has fished there for many many years. The far end of the lake seems to be the better area. Jigging is the norm on this lake. A bright red or orange whitefish fly tipped with a maggot seems to be the best rig. The fish are small 7-9 inch is the norm here. But with a bonus limit of 16 koks even if they are small it makes for a nice mess of fish.