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Fishing Newcastle Reservoir: what the data says
151-acre reservoir near Utah. The lake tops out around 14 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. Below is the species-by-species picture, pulled from the same data the map uses.
Rainbow Trout fishing at Newcastle Reservoir
Start shallow in spring: rainbow trout sit in 4 to 14 ft that time of year. Summer fish stay in 4 to 14 ft, and winter fish hold in 3 to 14 ft. Shoreline break is the standout, a drop-off at roughly 6 ft, rated prime for winter rainbow trout. Best bite is early morning and the evening. 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 | 4 to 14 ft | dawn & dusk | Inline spinner (silver), Small spoon |
| Summer | 4 to 14 ft | dawn & dusk | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 4 to 14 ft | dawn & dusk | Casting spoon, Jerkbait over shoals |
| Winter | 3 to 14 ft | dawn | Jigging spoon, Tube jig (white) |
Smallmouth Bass fishing at Newcastle Reservoir
Start shallow in spring: smallmouth bass sit in 3 to 12 ft that time of year. Summer pushes them deeper, 4 to 14 ft, and winter fish settle into 4 to 14 ft. Shoreline break is the standout, a drop-off at roughly 6 ft, rated prime for winter smallmouth bass. Plan around early morning and the evening in the warm months. Summer baits: a drop shot (goby/minnow) or a ned rig gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | dawn & dusk | Ned rig, Tube jig |
| Summer | 4 to 14 ft | dawn & dusk | Drop shot (goby/minnow), Ned rig |
| Fall | 4 to 14 ft | midday & dawn | Jerkbait, Blade bait |
| Winter | 4 to 14 ft | midday | Blade bait, Hair jig |
Crappie fishing at Newcastle Reservoir
In spring, crappie run shallow here, mostly 2 to 8 ft. Summer pushes them deeper, 4 to 14 ft, and winter fish settle into 4 to 14 ft. Deep basin is the standout, a deep basin at roughly 12 ft, rated prime for winter crappie. Best bite is early morning and the evening. Tie on a jig trolled/spider-rigged or a small crankbait (trolled) and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | 1/16 oz jig + tube, Curly-tail grub |
| Summer | 4 to 14 ft | dawn & dusk | Jig trolled/spider-rigged, Small crankbait (trolled) |
| Fall | 4 to 14 ft | dawn | Jig + minnow combo, Small swimbait (1.5-2") |
| Winter | 4 to 14 ft | midday | Tungsten jig + soft plastic, Tiny jigging spoon |
Channel Catfish fishing at Newcastle Reservoir
Start shallow in spring: channel catfish sit in 3 to 12 ft that time of year. By summer they slide out to 4 to 14 ft, and by winter most fish are in 4 to 14 ft. Deep basin is the standout, a deep basin at roughly 12 ft, rated prime for winter channel catfish. Best bite is after dark and the evening.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | dusk | |
| Summer | 4 to 14 ft | night & dusk | |
| Fall | 4 to 14 ft | dusk | |
| Winter | 4 to 14 ft | midday |
White Bass & Hybrids fishing at Newcastle Reservoir
In spring, white bass & hybrids run shallow here, mostly 3 to 14 ft. Summer fish stay in 4 to 14 ft, and winter fish hold in 4 to 14 ft. Deep basin is the standout, a deep basin at roughly 12 ft, rated prime for winter white bass & hybrids. In summer the feeding windows fall in early morning and the evening. Summer baits: a jigging spoon or a topwater (when schooling) gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 14 ft | midday & dawn | Rooster tail / inline spinner, Curly-tail jig (white/chartreuse) |
| Summer | 4 to 14 ft | dawn & dusk | Jigging spoon, Topwater (when schooling) |
| Fall | 4 to 14 ft | midday & dawn | Small blade bait, Jigging spoon |
| Winter | 4 to 14 ft | midday | Jigging spoon, Blade bait (vertical) |
Notable structure
- Deep basin: deep basin, around 12 ft
- Shoreline break: drop-off, around 6 ft
- Shallow bay flat: weed flat, around 3 ft
- Back-bay flat: weed flat, around 3 ft
Common questions
How deep is Newcastle Reservoir?
Newcastle Reservoir is about 14 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 Newcastle Reservoir?
Anglers target smallmouth bass, crappie, channel catfish, rainbow trout, white bass & hybrids on Newcastle Reservoir.
Where is the best fishing spot on Newcastle Reservoir?
Shoreline break is the top-rated area: a drop-off in about 6 ft of water that rates prime for smallmouth bass in winter. Open the map above to see every rated spot for each species and season.
When is the best time to fish Newcastle 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
Baker Reservoir · Enterprise Reservoirs · Gunlock Reservoir · Quail Creek Reservoir · Kolob Reservoir · Sand Hollow Reservoir
See how Newcastle Reservoir stacks up: best smallmouth bass lakes in Utah · best crappie lakes in Utah · best channel catfish lakes in Utah · best rainbow trout lakes in Utah
Browse all Utah fishing maps or every water on DepthScout. How we build these maps. For fishing guidance only, never navigation.