Lake Trout fishing at Trethewey Lake

In spring, lake trout run shallow here, mostly 10 to 40 ft. Summer pushes them deeper, 27 to 90 ft, and winter fish settle into 20 to 80 ft. Deep basin is the standout, a deep basin at roughly 77 ft, rated prime for summer lake trout. Best bite is early morning. Tie on a white tube jig (deep) or a magnum spoon on downrigger and you're in the game.

Yellow Perch fishing at Trethewey Lake

Start shallow in spring: yellow perch sit in 3 to 12 ft that time of year. By summer they slide out to 10 to 30 ft, and by winter most fish are in 15 to 35 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 6 ft that scores prime in spring. In summer the feeding windows fall in early morning. A drop-shot micro plastics or a small spoon tipped with worm covers the summer program.

Burbot fishing at Trethewey Lake

Spring burbot on Trethewey Lake hold shallow, usually 25 to 70 ft. By summer they slide out to 27 to 90 ft, and by winter most fish are in 15 to 60 ft. Deep basin is the standout, a deep basin at roughly 77 ft, rated prime for summer burbot. Plan around after dark and midday in the warm months. A heavy jig + cut bait covers the summer program.

How deep is Trethewey Lake?

Trethewey Lake is about 90 ft at its deepest point. The contours here are modeled from the water's real shape and maximum depth, so treat them as a rough guide.

What fish are in Trethewey Lake?

Anglers target yellow perch, lake trout, burbot on Trethewey Lake.

Where is the best fishing spot on Trethewey Lake?

Deep basin is the top-rated area: a deep basin in about 77 ft of water that rates prime for lake trout in summer. Open the map above to see every rated spot for each species and season.

When is the best time to fish Trethewey Lake?

For lake trout, the summer bite is best in early morning. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.