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Fishing J O Reservoir: what the data says
10-acre reservoir near Green River Region. The lake tops out around 19 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.
Rainbow Trout fishing at J O Reservoir
In spring, rainbow trout run shallow here, mostly 5 to 19 ft. Summer fish stay in 5 to 19 ft, and winter fish hold in 4 to 19 ft. Break off the point is the standout, a drop-off at roughly 9 ft, rated prime for winter rainbow trout. Plan around early morning and the evening in the warm months. Tie on a dodger + spoon (deep troll) or a flutter spoon and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 5 to 19 ft | dawn & dusk | Inline spinner (silver), Small spoon |
| Summer | 5 to 19 ft | dawn & dusk | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 5 to 19 ft | dawn & dusk | Casting spoon, Jerkbait over shoals |
| Winter | 4 to 19 ft | dawn | Jigging spoon, Tube jig (white) |
Brook Trout fishing at J O Reservoir
Start shallow in spring: brook trout sit in 2 to 15 ft that time of year. By summer they slide out to 6 to 19 ft, and by winter most fish are in 3 to 19 ft. If you only fish one area, make it Deep basin: a deep basin around 16 ft that scores prime in summer. In summer the feeding windows fall in early morning and the evening. A small spoon fished deep or a trolled lake-clear wobbler + worm covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 15 ft | dawn & dusk | Small inline spinner (gold), Tiny spoon |
| Summer | 6 to 19 ft | dawn & dusk | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Fall | 2 to 15 ft | midday & dawn | Small spoon (orange), Spinner |
| Winter | 3 to 19 ft | dawn | Small jigging spoon, Tungsten jig + plastic |
Notable structure
- Deep basin: deep basin, around 16 ft
- Break off the point: drop-off, around 9 ft
- Main-lake point: point, around 8 ft
- Shallow bay flat: weed flat, around 3 ft
Common questions
How deep is J O Reservoir?
J O Reservoir is about 19 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 J O Reservoir?
Anglers target rainbow trout, brook trout on J O Reservoir.
Where is the best fishing spot on J O Reservoir?
Break off the point is the top-rated area: a drop-off in about 9 ft of water that rates prime for rainbow trout in winter. Open the map above to see every rated spot for each species and season.
When is the best time to fish J O Reservoir?
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.
Nearby waters
Rawlins City Res · High Savery Reservoir · Teton Res · Good Reservoir 1 · Spring Creek Lake, North · Silver Lake, Hayden
See how J O Reservoir stacks up: best rainbow trout lakes in Wyoming · best brook trout lakes in Wyoming
Browse all Wyoming fishing maps or every water on DepthScout. How we build these maps. For fishing guidance only, never navigation.