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Three Rivers to Berrien Springs. Walleye, smallmouth and big flatheads. The river tops out around 13 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. What the data behind the map says about each species, season by season:
On the chart, St. Joseph River (MI) draws 483 acres inside 40.1 miles of shoreline. An index of 13 puts the bank firmly in maze territory: point after pocket after cove, every one a casting target. The whole water is littoral — nothing here runs deeper than ~15 ft, so it's all weed-and-bait territory. End to end it runs roughly 15.1 mi, about 2.7 mi across. The water lies in St. Joseph County. Closest neighbour on DepthScout: Bair Lake, 6 mi northwest of here.
When the water first warms, walleye slide up into 3 to 13 ft. There's no big seasonal slide here — summer means 4 to 13 ft, winter 4 to 13 ft. Start at Three Rivers Dam tailrace. It's a dam tailrace holding about 11 ft of water and rates prime come spring. The feeding windows run the evening and early morning. Keep a crawler harness on bottom bouncer or a deep crankbait (trolled) rigged through the warm months.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 13 ft | dusk & dawn | Three Rivers Dam tailrace (11 ft) | 1/8 oz jig + minnow, Hair jig |
| Summer | 4 to 13 ft | dusk & dawn | Three Rivers Dam tailrace (11 ft) | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Fall | 4 to 13 ft | dusk & night | Three Rivers Dam tailrace (11 ft) | Jigging rap, Jig + big minnow |
| Winter | 4 to 13 ft | dusk & dawn | Three Rivers Dam tailrace (11 ft) | Jigging spoon + minnow head, Rattle bait |
The spring pattern is a shallow one: smallmouth bass in 3 to 12 ft. As the season builds they drop to 4 to 13 ft, wintering in 4 to 13 ft. Top water on the chart: Riffle & run (mile 5.0), a rock pile in the 5 ft range, prime in spring. Time it for early morning and the evening. Summer baits: a drop shot (goby/minnow) or a ned rig gets it done.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | dawn & dusk | Riffle & run (mile 5.0) (5 ft) | Ned rig, Tube jig |
| Summer | 4 to 13 ft | dawn & dusk | Riffle & run (mile 5.0) (5 ft) | Drop shot (goby/minnow), Ned rig |
| Fall | 4 to 13 ft | midday & dawn | Inside bend (mile 9.9) (9 ft) | Jerkbait, Blade bait |
| Winter | 4 to 13 ft | midday | Tailout eddy (mile 0.3) (7 ft) | Blade bait, Hair jig |
In spring, flathead catfish run shallow here, mostly 3 to 13 ft. Summer keeps them at 3 to 13 ft, and they winter in 4 to 13 ft. Tailout eddy (mile 0.3) is the standout, an eddy pocket at roughly 7 ft, rated prime for spring flathead catfish. Time it for after dark and the evening.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 13 ft | night & dusk | Tailout eddy (mile 0.3) (7 ft) | |
| Summer | 3 to 13 ft | night & dusk | Tailout eddy (mile 0.3) (7 ft) | |
| Fall | 4 to 13 ft | night & dusk | Tailout eddy (mile 0.3) (7 ft) | |
| Winter | 4 to 13 ft | midday | Tailout eddy (mile 0.3) (7 ft) |
Start shallow in spring: channel catfish sit in 3 to 12 ft that time of year. Summer pushes them deeper, 4 to 13 ft, and winter fish settle into 4 to 13 ft. The spot to know is Outside-bend hole (mile 2.2), a creek channel in about 10 ft of water that rates prime for channel catfish in summer. Warm-month bites cluster around after dark and the evening.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | dusk | Tailout eddy (mile 0.3) (7 ft) | |
| Summer | 4 to 13 ft | night & dusk | Outside-bend hole (mile 2.2) (10 ft) | |
| Fall | 4 to 13 ft | dusk | Outside-bend hole (mile 2.2) (10 ft) | |
| Winter | 4 to 13 ft | midday | Outside-bend hole (mile 2.2) (10 ft) |
Come spring, look for steelhead tight to the bank in 2 to 13 ft. Through summer count on 1 to 13 ft; the winter hold is 3 to 13 ft. If you only fish one area, make it Three Rivers Dam tailrace: a dam tailrace around 11 ft that scores prime in spring. Best bite is early morning and the evening. An orange dodger + fly high in the column or a thin spoon off boards is the honest summer answer here.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 13 ft | dawn & dusk | Three Rivers Dam tailrace (11 ft) | Small spoon or spinner at the mouths, Jig + waxworm under float |
| Summer | 1 to 13 ft | dawn & dusk | Three Rivers Dam tailrace (11 ft) | Orange dodger + fly high in the column, Thin spoon off boards |
| Fall | 2 to 13 ft | dawn & dusk | Three Rivers Dam tailrace (11 ft) | Spinner (silver/blue), Casting spoon |
| Winter | 3 to 13 ft | midday | Three Rivers Dam tailrace (11 ft) | Float jig (black/purple), Bead rig |
Start shallow in spring: coho salmon sit in 2 to 13 ft that time of year. They don't go far with the seasons — 4 to 13 ft covers summer, 4 to 13 ft covers winter. The spot to know is Three Rivers Dam tailrace, a dam tailrace in about 11 ft of water that rates prime for coho salmon in spring. Warm-month bites cluster around early morning and the evening. Throw a dodger + fly or a medium spoon above the thermocline until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 13 ft | dawn & dusk | Three Rivers Dam tailrace (11 ft) | Small orange dodger + peanut fly, Thin spoon (orange/silver) |
| Summer | 4 to 13 ft | dawn & dusk | Three Rivers Dam tailrace (11 ft) | Dodger + fly, Medium spoon above the thermocline |
| Fall | 3 to 13 ft | dawn & dusk | Three Rivers Dam tailrace (11 ft) | Casting spoon, Spinner (chartreuse) |
| Winter | 4 to 13 ft | midday | Three Rivers Dam tailrace (11 ft) | Small spoon, slow troll |
St. Joseph River (MI) also holds chinook salmon (4 to 13 ft in summer), rock bass (3 to 13 ft in summer). Pick any of them on the map above for rated spots and bait picks.
The chart marks 16 structure features on St. Joseph River (MI); the deepest is Three Rivers Dam tailrace at about 11 ft.
Access data: OpenStreetMap contributors (ODbL) — community-mapped launches. Confirm conditions and fees locally before you launch.
Season dates, license requirements, and size and bag limits for Michigan waters are set by the Michigan DNR — and special regulations can apply to St. Joseph River (MI) specifically, so confirm the current rules before you fish.
Check the official Michigan fishing regulations →
St. Joseph River (MI) is about 13 ft (4 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, flathead catfish, channel catfish, steelhead, coho salmon, chinook salmon, rock bass on St. Joseph River (MI).
Riffle & run (mile 5.0) is the top-rated area: a rock pile in about 5 ft of water that rates prime for smallmouth bass 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 St. Joseph River (MI) is regulated by the Michigan DNR. Check the official Michigan regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Bair Lake 6 mi · Robbins Lake 6 mi · Corey Lake 6 mi · Harwood Lake 6 mi · Clear Lake 7 mi · Pleasant Lake 7 mi · Marl Lake 7 mi · Long Lake 7 mi · Long Lake 8 mi · Birch Lake 8 mi · Baldwins Lake 8 mi · Shavehead Lake 8 mi
See how St. Joseph River (MI) stacks up: best smallmouth bass lakes in Michigan · best walleye lakes in Michigan · best channel catfish lakes in Michigan · best chinook salmon lakes in Michigan
More water nearby: St. Joseph County fishing maps (21 charts). Browse all Michigan 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.