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1,375-acre lake near North Dakota. North Dakota Game & Fish survey water. The lake tops out around 9 ft. The depth chart is built from real state fisheries GPS surveys, so the humps, channels and drop-offs you see are measured, not guessed. Species by species, here's what the data says the year looks like.
Traced from the shoreline, Lake Tewaukon runs 1,375 acres with 5.8 miles of edge. The basin is a simple one (shoreline index 1.1) — close to a bowl, so the structure on the chart matters more than the bank. The whole water is littoral — nothing here runs deeper than ~15 ft, so it's all weed-and-bait territory. Tip to tip the water measures near 2.3 mi with a 1.3-mi widest point. You'll find it in Sargent County. The nearest mapped water is Grass Lake, 9 mi to the northeast.
Spring walleye on Lake Tewaukon hold shallow, usually 2 to 9 ft. Depth-wise the year is flat: 3 to 9 ft in summer, 3 to 9 ft once it turns cold. The chart's best answer is Wild Rice River inflow — inflow / creek mouth, 3 ft, prime for spring. Prime time lands in the evening and early morning. The summer box starts with a crawler harness on bottom bouncer or a deep crankbait (trolled).
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 9 ft | dusk & dawn | Wild Rice River inflow (3 ft) | 1/8 oz jig + minnow, Hair jig |
| Summer | 3 to 9 ft | dusk & dawn | Break off the point (5 ft) | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Fall | 3 to 9 ft | dusk & night | Break off the point (5 ft) | Jigging rap, Jig + big minnow |
| Winter | 3 to 9 ft | dusk & dawn | Deep basin (9 ft) | Jigging spoon + minnow head, Rattle bait |
In spring, northern pike run shallow here, mostly 2 to 8 ft. Midsummer fish sit out in 3 to 9 ft before dropping to 3 to 9 ft for winter. Spring northern pike concentrate at Wild Rice River inflow, a prime-rated inflow / creek mouth around 3 ft. Fish it in early morning and the evening and you'll meet the bite. You won't need more than a bucktail or a weedless spoon over cabbage most summer days.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | Wild Rice River inflow (3 ft) | #5 inline spinner, Spoon (red/white) |
| Summer | 3 to 9 ft | dawn & dusk | Break off the point (5 ft) | Bucktail, Weedless spoon over cabbage |
| Fall | 3 to 9 ft | midday & dawn | Break off the point (5 ft) | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 3 to 9 ft | midday | Shallow bay flat (1 ft) | Tip-ups, Large jigging spoon |
In spring, crappie run shallow here, mostly 2 to 8 ft. Midsummer fish sit out in 3 to 9 ft before dropping to 3 to 9 ft for winter. Fall crappie concentrate at Old creek channel, a prime-rated creek channel around 8 ft. Fish it in early morning and the evening and you'll meet the bite. You won't need more than a jig trolled/spider-rigged or a small crankbait (trolled) most summer days.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | Dock / pier line (6 ft) | 1/16 oz jig + tube, Curly-tail grub |
| Summer | 3 to 9 ft | dawn & dusk | Old creek channel (8 ft) | Jig trolled/spider-rigged, Small crankbait (trolled) |
| Fall | 3 to 9 ft | dawn | Old creek channel (8 ft) | Jig + minnow combo, Small swimbait (1.5-2") |
| Winter | 3 to 9 ft | midday | Deep basin (9 ft) | Tungsten jig + soft plastic, Tiny jigging spoon |
Spring puts channel catfish in skinny water — 2 to 9 ft is the zone. Summer fish stay in 3 to 9 ft, and winter fish hold in 3 to 9 ft. Wild Rice River inflow is the standout, an inflow / creek mouth at roughly 3 ft, rated prime for spring channel catfish. Plan around after dark and the evening in the warm months.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 9 ft | dusk | Wild Rice River inflow (3 ft) | |
| Summer | 3 to 9 ft | night & dusk | Old creek channel (8 ft) | |
| Fall | 3 to 9 ft | dusk | Old creek channel (8 ft) | |
| Winter | 3 to 9 ft | midday | Deep basin (9 ft) |
Start shallow in spring: muskellunge sit in 2 to 9 ft that time of year. They don't go far with the seasons — 3 to 9 ft covers summer, 3 to 9 ft covers winter. Top water on the chart: Break off the point, a drop-off in the 5 ft range, prime in fall. Fish it in the evening and early morning and you'll meet the bite. Throw a double-10 bucktail or a topwater (walk-the-dog / creeper) until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 9 ft | dusk | Shallow bay flat (1 ft) | Smaller bucktail (#8 blades), 6" glide bait |
| Summer | 3 to 9 ft | dusk & dawn | Break off the point (5 ft) | Double-10 bucktail, Topwater (walk-the-dog / creeper) |
| Fall | 2 to 9 ft | midday & dusk | Break off the point (5 ft) | Big rubber (Bull Dawg style), 10"+ glide bait |
| Winter | 3 to 9 ft | midday | Deep basin (9 ft) | Large rubber, crawled slow |
The chart marks 11 structure features on Lake Tewaukon; the deepest is Deep basin at about 9 ft.
Access data: North Dakota Game & Fish — Fishing Facilities. Confirm conditions and fees locally before you launch.
Season dates, license requirements, and size and bag limits for North Dakota waters are set by the North Dakota Game and Fish — and special regulations can apply to Lake Tewaukon specifically, so confirm the current rules before you fish.
Check the official North Dakota fishing regulations →
Lake Tewaukon is about 9 ft (3 m) deep at its deepest point. The depth chart here comes from real state fisheries GPS surveys, so the contours reflect measured depths.
Anglers target walleye, northern pike, crappie, channel catfish, muskellunge on Lake Tewaukon.
Wild Rice River inflow is the top-rated area: an inflow / creek mouth in about 3 ft of water that rates prime for walleye in spring. Scroll up to the map for the complete spot list by species and season.
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.
Fishing on Lake Tewaukon is regulated by the North Dakota Game and Fish. Check the official North Dakota regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Grass Lake 9 mi · Sprague Lake 9 mi · Shriner Lake 10 mi · Ole Breum Lake 10 mi · Wahl Lake 11 mi · Silver Lake 11 mi · Consolidated Lake 11 mi · West Moran Lake 12 mi · Buffalo Lake 12 mi · Four Corners Lake 13 mi · Gullys Slough 15 mi · Lueck Lake 15 mi
See how Lake Tewaukon stacks up: best walleye lakes in North Dakota · best northern pike lakes in North Dakota · best crappie lakes in North Dakota · best channel catfish lakes in North Dakota
More water nearby: Sargent County fishing maps (7 charts). Browse all North Dakota fishing maps or see every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. Fish here with a sonar unit that logs? Send us your depth data and we'll improve this chart, credited to you. For fishing guidance only, never navigation.