Sign inSign up freeRecent catches at Sangamon River
Shared by DepthScout anglers. Exact spots stay private, always.
Fishing Sangamon River: what the data says
Below Lake Decatur to Petersburg: cats and white bass through Lincoln country. The river tops out around 12 ft. The contours are modeled from the water's real shoreline and maximum depth. Treat them as a rough guide, and never use them for navigation. Here is how the season plays out for each species, straight from the data behind the map.
Channel Catfish fishing at Sangamon River
In spring, channel catfish run shallow here, mostly 3 to 12 ft. Summer fish stay in 4 to 12 ft, and winter fish hold in 4 to 12 ft. If you only fish one area, make it South Fork confluence: a inflow / creek mouth around 7 ft that scores prime in spring. Plan around after dark and the evening in the warm months.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | dusk | |
| Summer | 4 to 12 ft | night & dusk | |
| Fall | 4 to 12 ft | dusk | |
| Winter | 4 to 12 ft | midday |
Flathead Catfish fishing at Sangamon River
Spring flathead catfish on Sangamon River hold shallow, usually 3 to 12 ft. Summer fish stay in 3 to 12 ft, and winter fish hold in 4 to 12 ft. Illiopolis snag reach is the standout, a standing timber / brush at roughly 8 ft, rated prime for spring flathead catfish. Best bite is after dark and the evening.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | night & dusk | |
| Summer | 3 to 12 ft | night & dusk | |
| Fall | 3 to 12 ft | night & dusk | |
| Winter | 4 to 12 ft | midday |
White Bass fishing at Sangamon River
Start shallow in spring: white bass sit in 2 to 12 ft that time of year. Summer fish stay in 4 to 12 ft, and winter fish hold in 4 to 12 ft. If you only fish one area, make it South Fork confluence: a inflow / creek mouth around 7 ft that scores prime in spring. 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 | 4 to 12 ft | dawn & dusk | see map |
| Fall | 3 to 12 ft | dawn & dusk | see map |
| Winter | 4 to 12 ft | midday | see map |
Largemouth Bass fishing at Sangamon River
In spring, largemouth bass run shallow here, mostly 2 to 10 ft. By summer they slide out to 4 to 12 ft, and by winter most fish are in 4 to 12 ft. If you only fish one area, make it Illiopolis snag reach: a standing timber / brush around 8 ft that scores prime in spring. Plan around early morning and the evening in the warm months. Summer baits: a texas-rigged 10" worm or a deep-diving crankbait gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 10 ft | dawn & dusk | Spinnerbait, Chatterbait |
| Summer | 4 to 12 ft | dawn & dusk | Texas-rigged 10" worm, Deep-diving crankbait |
| Fall | 3 to 12 ft | midday & dawn | Squarebill crankbait (shad), Spinnerbait |
| Winter | 4 to 12 ft | midday | Blade bait, Jigging spoon |
Freshwater Drum fishing at Sangamon River
In spring, freshwater drum run shallow here, mostly 3 to 12 ft. Summer fish stay in 3 to 12 ft, and winter fish hold in 4 to 12 ft. If you only fish one area, make it Lake Decatur dam tailrace: a creek channel around 10 ft that scores prime in summer. Plan around the evening in the warm months. Summer baits: a jig + crawler combo or a small crankbait (slow) gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Jig + curly tail (bounced), Small blade bait |
| Summer | 3 to 12 ft | dusk | Jig + crawler combo, Small crankbait (slow) |
| Fall | 3 to 12 ft | midday | Blade bait (vertical), Jigging spoon |
| Winter | 4 to 12 ft | midday | Jigging spoon (slow) |
Common Carp fishing at Sangamon River
Spring common carp on Sangamon River hold shallow, usually 2 to 10 ft. Summer pushes them deeper, 2 to 12 ft, and winter fish settle into 4 to 12 ft. If you only fish one area, make it South Fork confluence: a inflow / creek mouth around 7 ft that scores prime in spring. Plan around early morning and the evening in the warm months.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 10 ft | midday & dawn | |
| Summer | 2 to 12 ft | dawn & dusk | |
| Fall | 3 to 12 ft | midday | |
| Winter | 4 to 12 ft | midday |
Notable structure
- Lake Decatur dam tailrace: creek channel, around 10 ft
- Cilca Lake Dam tailrace: dam tailrace, around 10 ft
- Lake Decatur Dam tailrace: dam tailrace, around 10 ft
- Lake Petersburg Dam tailrace: dam tailrace, around 10 ft
- Dam tailrace: dam tailrace, around 10 ft
- Outside-bend hole (mile 7.4): creek channel, around 9 ft
- Outside-bend hole (mile 9.9): creek channel, around 9 ft
- Outside-bend hole (mile 11.8): creek channel, around 9 ft
- Outside-bend hole (mile 13.6): creek channel, around 9 ft
- Outside-bend hole (mile 15.5): creek channel, around 9 ft
- Outside-bend hole (mile 19.2): creek channel, around 9 ft
- Outside-bend hole (mile 28.5): creek channel, around 9 ft
- Outside-bend hole (mile 30.4): creek channel, around 9 ft
- Outside-bend hole (mile 32.6): creek channel, around 9 ft
Common questions
How deep is Sangamon River?
Sangamon River is about 12 ft 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.
What fish are in Sangamon River?
Anglers target largemouth bass, white bass, channel catfish, flathead catfish, freshwater drum, common carp on Sangamon River.
Where is the best fishing spot on Sangamon River?
South Fork confluence is the top-rated area: a inflow / creek mouth in about 7 ft of water that rates prime for channel catfish in spring. Open the map above to see every rated spot for each species and season.
When is the best time to fish Sangamon River?
For channel catfish, the summer bite is best in after dark and the evening. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Nearby waters
Lake Springfield · Mackinaw River · Lake Glenn Shoals · Otter Lake · Carlinville Lake · Anderson Lake
See how Sangamon River stacks up: best largemouth bass lakes in Illinois · best white bass lakes in Illinois · best channel catfish lakes in Illinois · best flathead catfish lakes in Illinois
Browse all Illinois fishing maps or every water on DepthScout. How we build these maps. For fishing guidance only, never navigation.