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Fishing Glen Lake: what the data says
259-acre lake near Montana. The lake tops out around 30 ft. The depth chart is built from real state fisheries GPS surveys, so the humps, channels and drop-offs you see are measured, not guessed. Below is the species-by-species picture, pulled from the same data the map uses.
Largemouth Bass fishing at Glen Lake
Spring largemouth bass on Glen Lake hold shallow, usually 2 to 10 ft. They move out to 8 to 20 ft in summer and finish the year down in 9 to 30 ft. The spot to know is Shallow bay flat, a weed flat in about 9 ft of water that rates prime for largemouth bass 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 | 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 | 9 to 30 ft | midday | Blade bait, Jigging spoon |
Kokanee fishing at Glen Lake
Start shallow in spring: kokanee sit in 10 to 30 ft that time of year. Summer fish stay in 9 to 30 ft, and winter fish hold in 8 to 30 ft. If you only fish one area, make it Deep basin: a deep basin around 30 ft that scores prime in spring. In summer the feeding windows fall in early morning. A dodger + pink/orange squid on downrigger or a kokanee bug + corn covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 10 to 30 ft | dawn | Small dodger + squid (pink), Wedding-ring spinner + corn |
| Summer | 9 to 30 ft | dawn | Dodger + pink/orange squid on downrigger, Kokanee bug + corn |
| Fall | 4 to 30 ft | dawn | Dodger + squid (deeper red/purple), Small spoon |
| Winter | 8 to 30 ft | dawn | Small glow jig + corn or maggot, Tiny spoon |
Brook Trout fishing at Glen Lake
In spring, brook trout run shallow here, mostly 2 to 15 ft. They move out to 10 to 30 ft in summer and finish the year down in 3 to 20 ft. If you only fish one area, make it Deep basin: a deep basin around 30 ft that scores prime in summer. Best bite is early morning and the evening. Summer baits: a small spoon fished deep or a trolled lake-clear wobbler + worm gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 15 ft | dawn & dusk | Small inline spinner (gold), Tiny spoon |
| Summer | 10 to 30 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 20 ft | dawn | Small jigging spoon, Tungsten jig + plastic |
Lake Whitefish fishing at Glen Lake
Spring lake whitefish on Glen Lake hold shallow, usually 9 to 30 ft. Summer fish stay in 9 to 30 ft, and winter fish hold in 9 to 30 ft. The spot to know is Deep basin, a deep basin in about 30 ft of water that rates prime for lake whitefish in summer. In summer the feeding windows fall in early morning. Summer baits: a blade bait vertical or a small jigging spoon gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 9 to 30 ft | midday & dawn | Small jig + waxworm, Blade bait (small) |
| Summer | 9 to 30 ft | dawn | Blade bait vertical, Small jigging spoon |
| Fall | 8 to 30 ft | dusk | Small spoon (gold), Jig + plastic larva |
| Winter | 9 to 30 ft | midday & dawn | Jigging spoon + bead chain, Tungsten jig + waxie |
Burbot fishing at Glen Lake
Start shallow in spring: burbot sit in 9 to 30 ft that time of year. Summer fish stay in 9 to 30 ft, and winter fish hold in 8 to 30 ft. Deep basin is the standout, a deep basin at roughly 30 ft, rated prime for spring burbot. Best bite is after dark and midday. Tie on a heavy jig + cut bait and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 9 to 30 ft | night & dusk | Glow jigging spoon + cut bait, Rattle bait (dark) |
| Summer | 9 to 30 ft | night & midday | Heavy jig + cut bait |
| Fall | 9 to 30 ft | night & dusk | Glow spoon + minnow head, Blade bait (slow) |
| Winter | 8 to 30 ft | night & dusk | Glow tungsten + cut bait, Rattle spoon + minnow head |
Yellow Perch fishing at Glen Lake
Spring yellow perch on Glen Lake hold shallow, usually 3 to 12 ft. By summer they slide out to 10 to 30 ft, and by winter most fish are in 9 to 30 ft. The spot to know is Shallow bay flat, a weed flat in about 9 ft of water that rates prime for yellow perch in spring. In summer the feeding windows fall in early morning. Summer baits: a drop-shot micro plastics or a small spoon tipped with worm gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 10 to 30 ft | dawn | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 9 to 30 ft | midday | Jigging spoon (small), Perch rig / spreader |
| Winter | 9 to 30 ft | midday & dawn | Tungsten jig + spikes, Rattle spoon (small) |
Glen Lake also holds cutthroat trout (9 to 30 ft in summer), pumpkinseed (2 to 10 ft in summer), rainbow trout (8 to 30 ft in summer), smallmouth bass (10 to 30 ft in summer). Pick any of them on the map above for rated spots and bait picks.
Notable structure
- Deep basin: deep basin, around 30 ft
- Break off the point: drop-off, around 30 ft
- Shallow bay flat: weed flat, around 9 ft
- Main-lake point: point, around 8 ft
- Back-bay flat: weed flat, around 7 ft
- Secondary point: point, around 6 ft
Common questions
How deep is Glen Lake?
Glen Lake is about 30 ft at its deepest point. The depth chart here comes from real state fisheries GPS surveys, so the contours reflect measured depths.
What fish are in Glen Lake?
Anglers target largemouth bass, smallmouth bass, rainbow trout, yellow perch, brook trout, kokanee, lake whitefish, burbot, cutthroat trout, pumpkinseed on Glen Lake.
Where is the best fishing spot on Glen Lake?
Shallow bay flat is the top-rated area: a weed flat in about 9 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 Glen Lake?
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.
Nearby waters
Long Lake (Lincoln) · Rock Lake · Frank Lake · Little Therriault Lake · BIG THERRIAULT LAKE · Murphy Lake
See how Glen Lake stacks up: best largemouth bass lakes in Montana · best smallmouth bass lakes in Montana · best rainbow trout lakes in Montana · best yellow perch lakes in Montana
Browse all Montana fishing maps or every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. For fishing guidance only, never navigation.