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Ohio's premier brown trout stream. Cold spring-fed water from Urbana to Dayton. The river tops out around 8 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. Every species below gets its seasonal read from the same numbers driving the chart.
Drawn out, this is 1,659 acres of water rimmed by 78.6 miles of bank. That shoreline is heavily fingered (development index 13.8) — bays, points and pockets everywhere, which multiplies the fishable edge. Nothing on this chart breaks 15 ft, which makes the whole surface littoral: weeds, bait and ambush cover everywhere. Tip to tip the water measures near 31.8 mi with an 8.1-mi widest point. The water lies in Clark County. For a second option, Eastwood Lake lies 13 mi southwest.
In spring, rainbow trout run shallow here, mostly 2 to 8 ft. Summer keeps them at 2 to 8 ft, and they winter in 2 to 8 ft. Spring rainbow trout concentrate at Spring-fed riffles (Urbana), 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 dodger + spoon (deep troll) or a flutter spoon most summer days.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 8 ft | dawn & dusk | Spring-fed riffles (Urbana) (3 ft) | Inline spinner (silver), Small spoon |
| Summer | 2 to 8 ft | dawn & dusk | Spring-fed riffles (Urbana) (3 ft) | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 2 to 8 ft | dawn & dusk | Current seam (mile 0.6) (4 ft) | Casting spoon, Jerkbait over shoals |
| Winter | 2 to 8 ft | dawn | Current seam (mile 0.6) (4 ft) | Jigging spoon, Tube jig (white) |
The spring pattern is a shallow one: smallmouth bass in 2 to 8 ft. The depth story barely changes: 2 to 8 ft through summer, 2 to 8 ft in winter. Top water on the chart: Riffle & run (mile 2.5), a rock pile in the 3 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 | 2 to 8 ft | dawn & dusk | Riffle & run (mile 2.5) (3 ft) | Ned rig, Tube jig |
| Summer | 2 to 8 ft | dawn & dusk | Riffle & run (mile 2.5) (3 ft) | Drop shot (goby/minnow), Ned rig |
| Fall | 2 to 8 ft | midday & dawn | Current seam (mile 0.6) (4 ft) | Jerkbait, Blade bait |
| Winter | 2 to 8 ft | midday | Current seam (mile 0.6) (4 ft) | Blade bait, Hair jig |
Spring rock bass on Mad River hold shallow, usually 2 to 8 ft. Depth-wise the year is flat: 2 to 8 ft in summer, 2 to 8 ft once it turns cold. The chart's best answer is Riffle & run (mile 2.5) — rock pile, 3 ft, prime for spring. Prime time lands in the evening. The summer box starts with a ned rig (small) or a marabou jig.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | Riffle & run (mile 2.5) (3 ft) | 1/16 oz jig + grub, Small inline spinner |
| Summer | 2 to 8 ft | dusk | Riffle & run (mile 2.5) (3 ft) | Ned rig (small), Marabou jig |
| Fall | 2 to 8 ft | midday | Riffle & run (mile 2.5) (3 ft) | Small tube jig, Inline spinner |
| Winter | 2 to 8 ft | midday | Riffle & run (mile 2.5) (3 ft) | Tungsten jig + plastic, Small spoon + spike |
34 pieces of structure are mapped here — Lowhead weir tailrace, around 7 ft, is the deepest of them.
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 Mad River specifically, so confirm the current rules before you fish.
Check the official Ohio fishing regulations →
Mad River is about 8 ft (2 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 rainbow trout, smallmouth bass, rock bass on Mad River.
Spring-fed riffles (Urbana) is the top-rated area: an inflow / creek mouth in about 3 ft of water that rates prime for rainbow trout in spring. The interactive chart above rates every spot for each species and season.
For rainbow trout, the summer bite is best in early morning 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.
Fishing on Mad 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.
Eastwood Lake 13 mi · C.J. Brown Reservoir 14 mi · Kiser Lake 17 mi · Clark Lake 18 mi · Great Miami River 22 mi · Caesar Creek Lake 30 mi · Madison Lake 33 mi · Lake Loramie 35 mi · Little Miami River 35 mi · Cowan Lake 39 mi · Indian Lake 39 mi · Woodland Trails 40 mi
See how Mad River stacks up: best smallmouth bass lakes in Ohio · best rock bass 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.