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Defiance to Maumee Bay. Home of the legendary spring walleye run. The river tops out around 20 ft. The depth picture is modeled, anchored to the true shoreline and the water's published max depth — a scouting aid, never a chart to run a boat by. Here is how the season plays out for each species, straight from the data behind the map.
On the chart, Maumee River draws 8,802 acres inside 142 miles of shoreline, broken up by 22 islands. With a shoreline index of 10.8, this water is all arms and coves — edge habitat well beyond its acreage. Roughly 68% of the water is 15 ft or less as modeled, the band where the food chain lives. The basin spans about 56 mi end to end and 6.7 mi across at its widest. The water lies in Fulton County. For a second option, Fulton Pond lies 7 mi north.
Early season walleye use the shallows, holding in 4 to 15 ft. Summer is a 6 to 20 ft game here, winter a 6 to 20 ft one. The chart's best answer is Maumee Bay mouth — inflow / creek mouth, 12 ft, prime for spring. Best bite is the evening and early morning. Tie on a crawler harness on bottom bouncer or a deep crankbait (trolled) and you're in the game.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 4 to 15 ft | dusk & dawn | Maumee Bay mouth (12 ft) | 1/8 oz jig + minnow, Hair jig |
| Summer | 6 to 20 ft | dusk & dawn | Lock Number 44 tailrace (17 ft) | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Fall | 6 to 20 ft | dusk & night | Lock Number 44 tailrace (17 ft) | Jigging rap, Jig + big minnow |
| Winter | 6 to 20 ft | dusk & dawn | Lock Number 44 tailrace (17 ft) | Jigging spoon + minnow head, Rattle bait |
Spring puts smallmouth bass in skinny water — 3 to 12 ft is the zone. As the season builds they drop to 6 to 20 ft, wintering in 6 to 20 ft. Spring smallmouth bass concentrate at Buttonwood/Bluegrass Island rapids (walleye run), a prime-rated rock pile around 6 ft. Warm-month bites cluster around early morning and the evening. A drop shot (goby/minnow) or a ned rig covers the summer program.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | dawn & dusk | Buttonwood/Bluegrass Island rapids (walleye run) (6 ft) | Ned rig, Tube jig |
| Summer | 6 to 20 ft | dawn & dusk | Buttonwood/Bluegrass Island rapids (walleye run) (6 ft) | Drop shot (goby/minnow), Ned rig |
| Fall | 6 to 20 ft | midday & dawn | Buttonwood/Bluegrass Island rapids (walleye run) (6 ft) | Jerkbait, Blade bait |
| Winter | 6 to 20 ft | midday | Current seam (mile 8.1) (11 ft) | Blade bait, Hair jig |
Spring puts white bass & hybrids in skinny water — 3 to 15 ft is the zone. As the season builds they drop to 6 to 20 ft, wintering in 6 to 20 ft. Spring white bass & hybrids concentrate at Maumee Bay mouth, a prime-rated inflow / creek mouth around 12 ft. Warm-month bites cluster around early morning and the evening. A jigging spoon or a topwater (when schooling) covers the summer program.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 15 ft | midday & dawn | Maumee Bay mouth (12 ft) | Rooster tail / inline spinner, Curly-tail jig (white/chartreuse) |
| Summer | 6 to 20 ft | dawn & dusk | Lock Number 44 tailrace (17 ft) | Jigging spoon, Topwater (when schooling) |
| Fall | 6 to 20 ft | midday & dawn | Lock Number 44 tailrace (17 ft) | Small blade bait, Jigging spoon |
| Winter | 6 to 20 ft | midday | Lock Number 44 tailrace (17 ft) | Jigging spoon, Blade bait (vertical) |
In spring, channel catfish run shallow here, mostly 3 to 12 ft. Summer pushes them deeper, 6 to 20 ft, and winter fish settle into 6 to 20 ft. Maumee Bay mouth is the standout, an inflow / creek mouth at roughly 12 ft, rated prime for spring channel catfish. Time it for after dark and the evening.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | dusk | Maumee Bay mouth (12 ft) | |
| Summer | 6 to 20 ft | night & dusk | Outside-bend hole (mile 2.5) (15 ft) | |
| Fall | 6 to 20 ft | dusk | Outside-bend hole (mile 2.5) (15 ft) | |
| Winter | 6 to 20 ft | midday | Outside-bend hole (mile 2.5) (15 ft) |
Start shallow in spring: freshwater drum sit in 5 to 20 ft that time of year. They don't go far with the seasons — 5 to 20 ft covers summer, 6 to 20 ft covers winter. Top water on the chart: Outside-bend hole (mile 2.5), a creek channel in the 15 ft range, prime in summer. Fish it in the evening and you'll meet the bite. Throw a jig + crawler combo or a small crankbait (slow) until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 20 ft | midday & dawn | Maumee Bay mouth (12 ft) | Jig + curly tail (bounced), Small blade bait |
| Summer | 5 to 20 ft | dusk | Outside-bend hole (mile 2.5) (15 ft) | Jig + crawler combo, Small crankbait (slow) |
| Fall | 6 to 20 ft | midday | Outside-bend hole (mile 2.5) (15 ft) | Blade bait (vertical), Jigging spoon |
| Winter | 6 to 20 ft | midday | Lock Number 44 tailrace (17 ft) | Jigging spoon (slow) |
The spring pattern is a shallow one: common carp in 2 to 10 ft. Midsummer fish sit out in 3 to 15 ft before dropping to 6 to 20 ft for winter. The spot to know is Tailout eddy (mile 33.2), an eddy pocket in about 11 ft of water that rates prime for common carp in winter. Plan around early morning and the evening in the warm months.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 10 ft | midday & dawn | Maumee Bay mouth (12 ft) | |
| Summer | 3 to 15 ft | dawn & dusk | Maumee Bay mouth (12 ft) | |
| Fall | 5 to 18 ft | midday | Outside-bend hole (mile 2.5) (15 ft) | |
| Winter | 6 to 20 ft | midday | Tailout eddy (mile 33.2) (11 ft) |
Maumee River also holds rock bass (5 to 20 ft in summer). Pick any of them on the map above for rated spots and bait picks.
Count 40 structure marks on this chart. The deepest, Lock Number 44 tailrace, sits near 17 ft.
Access data: Ohio DNR — Boater & Stream Access. Confirm conditions and fees locally before you launch.
Season dates, license requirements, and size and bag limits for Ohio waters are set by the Ohio DNR Division of Wildlife — and special regulations can apply to Maumee River specifically, so confirm the current rules before you fish.
Check the official Ohio fishing regulations →
Maumee River is about 20 ft (6 m) deep 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.
Anglers target walleye, smallmouth bass, white bass & hybrids, channel catfish, freshwater drum, common carp, rock bass on Maumee River.
Maumee Bay mouth is the top-rated area: an inflow / creek mouth in about 12 ft of water that rates prime for walleye in spring. The interactive chart above rates every spot for each 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 Maumee River is regulated by the Ohio DNR Division of Wildlife. Check the official Ohio regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Fulton Pond 7 mi · Delta Reservoir 9 mi · Wauseon 2 Reservoir 13 mi · Archbold Reservoir Number One 21 mi · Harrison Lake 26 mi · Mccomb Reservoir Number Two 28 mi · Maumee Bay Lake 30 mi · Lake Adrian 30 mi, MI · Lake Hudson 30 mi, MI · Silverock Park Lake 30 mi · Oxbow Lake 30 mi · Defiance Reservoir 31 mi
See how Maumee River stacks up: best smallmouth bass lakes in Ohio · best walleye lakes in Ohio · best channel catfish lakes in Ohio · best white bass & hybrids lakes in Ohio
Browse all Ohio fishing maps or see every water on DepthScout. 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.