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Fishing Lake Ashtabula: what the data says
5,234-acre reservoir near Valley City. The lake tops out around 42 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. Below is the species-by-species picture, pulled from the same data the map uses.
Walleye fishing at Lake Ashtabula
Spring walleye on Lake Ashtabula hold shallow, usually 4 to 15 ft. By summer they slide out to 15 to 35 ft, and by winter most fish are in 20 to 40 ft. The spot to know is Break off the point, a drop-off in about 13 ft of water that rates prime for walleye in fall. In summer the feeding windows fall in the evening and early morning. Summer baits: a crawler harness on bottom bouncer or a deep crankbait (trolled) gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 4 to 15 ft | dusk & dawn | 1/8 oz jig + minnow, Hair jig |
| Summer | 15 to 35 ft | dusk & dawn | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Fall | 12 to 40 ft | dusk & night | Jigging rap, Jig + big minnow |
| Winter | 20 to 40 ft | dusk & dawn | Jigging spoon + minnow head, Rattle bait |
Northern Pike fishing at Lake Ashtabula
In spring, northern pike run shallow here, mostly 2 to 8 ft. Summer pushes them deeper, 8 to 20 ft, and winter fish settle into 5 to 15 ft. Shallow bay flat is the standout, a weed flat at roughly 6 ft, rated prime for spring northern pike. In summer the feeding windows fall in early morning and the evening. A bucktail or a weedless spoon over cabbage covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | #5 inline spinner, Spoon (red/white) |
| Summer | 8 to 20 ft | dawn & dusk | Bucktail, Weedless spoon over cabbage |
| Fall | 6 to 18 ft | midday & dawn | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 5 to 15 ft | midday | Tip-ups, Large jigging spoon |
White Bass fishing at Lake Ashtabula
Start shallow in spring: white bass sit in 2 to 12 ft that time of year. By summer they slide out to 8 to 25 ft, and by winter most fish are in 15 to 40 ft. If you only fish one area, make it Main-lake point: a point around 6 ft that scores prime in fall. In summer the feeding windows fall in early morning and the evening.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 12 ft | dawn & dusk | see map |
| Summer | 8 to 25 ft | dawn & dusk | see map |
| Fall | 6 to 25 ft | dawn & dusk | see map |
| Winter | 15 to 40 ft | midday | see map |
Crappie fishing at Lake Ashtabula
Start shallow in spring: crappie sit in 2 to 8 ft that time of year. Summer pushes them deeper, 10 to 25 ft, and winter fish settle into 15 to 35 ft. If you only fish one area, make it Deep basin: a deep basin around 16 ft that scores prime in winter. Best bite is early morning and the evening. A jig trolled/spider-rigged or a small crankbait (trolled) covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | 1/16 oz jig + tube, Curly-tail grub |
| Summer | 10 to 25 ft | dawn & dusk | Jig trolled/spider-rigged, Small crankbait (trolled) |
| Fall | 8 to 20 ft | dawn | Jig + minnow combo, Small swimbait (1.5-2") |
| Winter | 15 to 35 ft | midday | Tungsten jig + soft plastic, Tiny jigging spoon |
Smallmouth Bass fishing at Lake Ashtabula
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 13 to 42 ft. The spot to know is Break off the point, a drop-off in about 13 ft of water that rates prime for smallmouth bass in winter. Best bite is early morning and the evening. Tie on a drop shot (goby/minnow) or a ned rig and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | dawn & dusk | Ned rig, Tube jig |
| Summer | 10 to 30 ft | dawn & dusk | Drop shot (goby/minnow), Ned rig |
| Fall | 8 to 25 ft | midday & dawn | Jerkbait, Blade bait |
| Winter | 13 to 42 ft | midday | Blade bait, Hair jig |
Muskellunge fishing at Lake Ashtabula
Spring muskellunge on Lake Ashtabula hold shallow, usually 3 to 12 ft. By summer they slide out to 8 to 25 ft, and by winter most fish are in 15 to 35 ft. The spot to know is Break off the point, a drop-off in about 13 ft of water that rates prime for muskellunge in fall. In summer the feeding windows fall in the evening and early morning. Tie on a double-10 bucktail or a topwater (walk-the-dog / creeper) and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | dusk | Smaller bucktail (#8 blades), 6" glide bait |
| Summer | 8 to 25 ft | dusk & dawn | Double-10 bucktail, Topwater (walk-the-dog / creeper) |
| Fall | 8 to 30 ft | midday & dusk | Big rubber (Bull Dawg style), 10"+ glide bait |
| Winter | 15 to 35 ft | midday | Large rubber, crawled slow |
Lake Ashtabula also holds yellow perch (10 to 30 ft in summer), bluegill (4 to 15 ft in summer). Pick any of them on the map above for rated spots and bait picks.
Notable structure
- Deep basin: deep basin, around 16 ft
- Deepest basin: deep basin, around 16 ft
- Break off the point: drop-off, around 13 ft
- Secondary point: point, around 7 ft
- Back-bay flat: weed flat, around 7 ft
- Main-lake point: point, around 6 ft
- Shallow bay flat: weed flat, around 6 ft
- Shoreline point: point, around 5 ft
- Gravel shoal: gravel shoal, around 2 ft
- Gravel shoal: gravel shoal, around 2 ft
Common questions
How deep is Lake Ashtabula?
Lake Ashtabula is about 42 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 Lake Ashtabula?
Anglers target smallmouth bass, walleye, white bass, northern pike, crappie, bluegill, muskellunge, yellow perch on Lake Ashtabula.
Where is the best fishing spot on Lake Ashtabula?
Break off the point is the top-rated area: a drop-off in about 13 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 Lake Ashtabula?
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.
Nearby waters
Mosher WPA · Moon Lake · St. Mary's Lake · Middle Eckelson · Fox Lake · Eckelson Lake South
See how Lake Ashtabula stacks up: best smallmouth bass lakes in North Dakota · best walleye lakes in North Dakota · best white bass lakes in North Dakota · best northern pike lakes in North Dakota
Browse all North Dakota fishing maps or every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. For fishing guidance only, never navigation.