Mountain Whitefish

Mountain whitefish are most active from late fall through winter, roughly November through March, when water temperatures drop and trout slow down. This is when they school up tightly in deep, slow pools and feed steadily, making winter their signature season on BC rivers. They also bite well in fall ahead of their own spawn, which typically runs October into December over gravel riffles. Spring runoff muddies rivers and scatters fish, so most anglers write off April and May and pick things back up once water clears in early summer.

Whitefish can feed fairly steadily through the day in cold water, and anglers report success at different times on different waters. The warmest stretch of midday to mid-afternoon is a solid bet, but dawn and the last light of late afternoon or dusk can also produce well, sometimes better. Unlike trout, whitefish don't have one dominant feeding window, so it is worth trying a few times of day on a given pool.

Drift fishing and nymphing are the standard approaches. Whitefish hold tight to the bottom in slow to moderate current, so a light weight or split shot used to bounce or drift a nymph, bait, or small jig right along the streambed is the key. A sensitive rod and light line, 2 to 4 lb test or a 4 to 5 weight fly rod, makes the subtle bites easier to detect. Working one deep, slow pool thoroughly usually beats covering a lot of water, since whitefish school tightly and a single good pool can hold dozens of fish. In lakes, slow jigging or bait fishing near bottom in deeper basins works the same way.

Look for mountain whitefish in cold, clear rivers and larger lakes throughout the BC Interior and north, generally in the same water as rainbow trout and bull trout. In rivers they hold in deep pools, slow runs, and tailouts with a gravel or rubble bottom rather than fast riffles. In lakes they tend to sit deeper, off drop-offs and in cooler basin water, especially once summer warms the shallows.