Walleye fishing at Upper Grindstone Lake

Spring walleye on Upper Grindstone Lake hold shallow, usually 4 to 15 ft. They move out to 15 to 35 ft in summer and finish the year down in 20 to 40 ft. If you only fish one area, make it Break off the point: a drop-off around 29 ft that scores prime in fall. In summer the feeding windows fall in the evening and early morning. Tie on a crawler harness on bottom bouncer or a deep crankbait (trolled) and you're in the game.

Northern Pike fishing at Upper Grindstone Lake

Start shallow in spring: northern pike sit in 2 to 8 ft that time of year. By summer they slide out to 8 to 20 ft, and by winter most fish are in 5 to 15 ft. Shallow bay flat is the standout, a weed flat at roughly 8 ft, rated prime for spring northern pike. Plan around early morning and the evening in the warm months. Summer baits: a bucktail or a weedless spoon over cabbage gets it done.

Yellow Perch fishing at Upper Grindstone 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 8 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.

Smallmouth Bass fishing at Upper Grindstone Lake

Start shallow in spring: smallmouth bass sit in 3 to 12 ft that time of year. They move out to 10 to 30 ft in summer and finish the year down in 20 to 45 ft. If you only fish one area, make it Secondary point: a point around 14 ft that scores prime in fall. Plan around early morning and the evening in the warm months. A drop shot (goby/minnow) or a ned rig covers the summer program.

Lake Trout fishing at Upper Grindstone Lake

Start shallow in spring: lake trout sit in 10 to 40 ft that time of year. Summer pushes them deeper, 18 to 60 ft, and winter fish settle into 15 to 60 ft. If you only fish one area, make it Deep basin: a deep basin around 60 ft that scores prime in summer. Plan around early morning in the warm months. A white tube jig (deep) or a magnum spoon on downrigger covers the summer program.

Lake Whitefish fishing at Upper Grindstone Lake

In spring, lake whitefish run shallow here, mostly 15 to 45 ft. Summer pushes them deeper, 18 to 60 ft, and winter fish settle into 18 to 60 ft. If you only fish one area, make it Deep basin: a deep basin around 60 ft that scores prime in summer. In summer the feeding windows fall in early morning. A blade bait vertical or a small jigging spoon covers the summer program.

How deep is Upper Grindstone Lake?

Upper Grindstone Lake is about 60 ft at its deepest point. The depth chart here comes from real state fisheries GPS surveys, so the contours reflect measured depths.

What fish are in Upper Grindstone Lake?

Anglers target smallmouth bass, walleye, northern pike, yellow perch, lake trout, lake whitefish on Upper Grindstone Lake.

Where is the best fishing spot on Upper Grindstone Lake?

Break off the point is the top-rated area: a drop-off in about 29 ft of water that rates prime for walleye in fall. Open the map above to see every rated spot for each species and season.

When is the best time to fish Upper Grindstone Lake?

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