Shared by DepthScout anglers. Exact spots stay private, always.
458-acre reservoir near Larimer County. The lake tops out around 24 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. What follows comes from the same scoring engine that paints the spots above.
Spring largemouth bass on Lon Hagler Reservoir hold shallow, usually 2 to 10 ft. By summer they slide out to 8 to 20 ft, and by winter most fish are in 7 to 24 ft. The spot to know is Shallow bay flat, a weed flat in about 3 ft of water that rates prime for largemouth bass in spring. In summer the feeding windows fall in early morning and the evening. Tie on a texas-rigged 10" worm or a deep-diving crankbait and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 10 ft | dawn & dusk | Spinnerbait, Chatterbait |
| Summer | 8 to 20 ft | dawn & dusk | Texas-rigged 10" worm, Deep-diving crankbait |
| Fall | 4 to 15 ft | midday & dawn | Squarebill crankbait (shad), Spinnerbait |
| Winter | 7 to 24 ft | midday | Blade bait, Jigging spoon |
Start shallow in spring: smallmouth bass sit in 3 to 12 ft that time of year. Summer pushes them deeper, 7 to 24 ft, and winter fish settle into 7 to 24 ft. The spot to know is Main-lake point, a point in about 8 ft of water that rates prime for smallmouth bass in fall. In summer the feeding windows fall in early morning and the evening. 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 | 7 to 24 ft | dawn & dusk | Drop shot (goby/minnow), Ned rig |
| Fall | 7 to 24 ft | midday & dawn | Jerkbait, Blade bait |
| Winter | 7 to 24 ft | midday | Blade bait, Hair jig |
In spring, common carp run shallow here, mostly 2 to 10 ft. By summer they slide out to 3 to 15 ft, and by winter most fish are in 7 to 24 ft. Shallow bay flat is the standout, a weed flat at roughly 3 ft, rated prime for spring common carp. In summer the feeding windows fall in early morning and the evening.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 10 ft | midday & dawn | |
| Summer | 3 to 15 ft | dawn & dusk | |
| Fall | 5 to 18 ft | midday | |
| Winter | 7 to 24 ft | midday |
Spring channel catfish on Lon Hagler Reservoir hold shallow, usually 3 to 12 ft. Summer pushes them deeper, 7 to 24 ft, and winter fish settle into 7 to 24 ft. The spot to know is Deep basin, a deep basin in about 20 ft of water that rates prime for channel catfish in winter. In summer the feeding windows fall in after dark and the evening.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | dusk | |
| Summer | 7 to 24 ft | night & dusk | |
| Fall | 7 to 24 ft | dusk | |
| Winter | 7 to 24 ft | midday |
Start shallow in spring: crappie sit in 2 to 8 ft that time of year. By summer they slide out to 7 to 24 ft, and by winter most fish are in 7 to 24 ft. If you only fish one area, make it Deep basin: a deep basin around 20 ft that scores prime in winter. In summer the feeding windows fall in early morning and the evening. Summer baits: a jig trolled/spider-rigged or a small crankbait (trolled) gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | 1/16 oz jig + tube, Curly-tail grub |
| Summer | 7 to 24 ft | dawn & dusk | Jig trolled/spider-rigged, Small crankbait (trolled) |
| Fall | 8 to 20 ft | dawn | Jig + minnow combo, Small swimbait (1.5-2") |
| Winter | 7 to 24 ft | midday | Tungsten jig + soft plastic, Tiny jigging spoon |
Spring walleye on Lon Hagler Reservoir hold shallow, usually 4 to 15 ft. They move out to 7 to 24 ft in summer and finish the year down in 7 to 24 ft. The spot to know is Break off the point, a drop-off in about 11 ft of water that rates prime for walleye in fall. Plan around the evening and early morning in the warm months. Tie on a crawler harness on bottom bouncer or a deep crankbait (trolled) and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 4 to 15 ft | dusk & dawn | 1/8 oz jig + minnow, Hair jig |
| Summer | 7 to 24 ft | dusk & dawn | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Fall | 7 to 24 ft | dusk & night | Jigging rap, Jig + big minnow |
| Winter | 7 to 24 ft | dusk & dawn | Jigging spoon + minnow head, Rattle bait |
Lon Hagler Reservoir also holds yellow perch (7 to 24 ft in summer), muskellunge (7 to 24 ft in summer), bluegill (4 to 15 ft in summer), rainbow trout (6 to 24 ft in summer). Pick any of them on the map above for rated spots and bait picks.
How deep is Lon Hagler Reservoir?
Lon Hagler Reservoir is about 24 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 Lon Hagler Reservoir?
Anglers target largemouth bass, smallmouth bass, walleye, crappie, bluegill, channel catfish, rainbow trout, muskellunge, yellow perch, common carp on Lon Hagler Reservoir.
Where is the best fishing spot on Lon Hagler Reservoir?
Shallow bay flat is the top-rated area: a weed flat in about 3 ft of water that rates prime for largemouth bass in spring. Open the map above to see every rated spot for each species and season.
When is the best time to fish Lon Hagler Reservoir?
For largemouth bass, 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.
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See how Lon Hagler Reservoir stacks up: best largemouth bass lakes in Colorado · best smallmouth bass lakes in Colorado · best walleye lakes in Colorado · best crappie lakes in Colorado
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