Glacier Lake Fish Stocking
Montana · 1932–2025 on record
According to Montana fish & wildlife agency, Glacier Lake was last stocked August 4, 2025 with Cutthroat Trout. Glacier Lake has 40 stocking records on file, spanning 1932–2025, with about 463,673 fish stocked over that period.
When Glacier Lake is stocked
Glacier Lake is typically stocked in summer, most often in August — 19 stocking events in that peak month.
Angler's Field Guide
Fishing Tips & Stocking Guide for Glacier Lake
Practical advice on fish behavior, recommended tackle, and state regulations for anglers fishing in Montana.
Post-Plant Behavior & Timing
Hatchery-raised fish are conditioned to pelleted feed and open raceways. Following a release into Glacier Lake, they typically congregate in schools near public access points, boat ramps, or inlets for the first 24 to 48 hours while adjusting to natural water conditions.
Since Glacier Lake was last stocked August 4, 2025, anglers visiting within 1 to 2 weeks of a reported event generally experience the highest activity before fish disperse into deeper cover.
State Regulations & Licensing
- •Fishing License: A valid Montana freshwater fishing license is required for anglers age 16 and older.Purchase Montana license online →
- •Official Rules & Limits: Bag limits, bait restrictions, and seasonal boundaries are set by Montana fish & wildlife agency.Official Montana regulations guidebook →
- •Ethical Conservation: Use barbless hooks and keep fish submerged in water during unhooking.Trout Thermal Advisory: When water temperatures rise above 68°F (20°C), released trout face severe mortality from thermal exhaustion. Target warmwater species or fish early in the morning when lakes and streams warm up.
Recommended Tackle & Presentations
Techniques tailored to the species stocked in Glacier Lake:
Stocked Trout Tactics
Use light 4–6 lb monofilament or fluorocarbon line. Float scented dough bait (PowerBait) 12–18" off bottom using a sliding slip-sinker rig with a size 14–16 treble hook. For active casting, throw 1/16 to 1/8 oz inline spinners (Panther Martin, Rooster Tail) or small spoons (Kastmaster) along drop-offs.
Cutthroat Trout Profile Tips
Known for being relatively easy to catch on dry flies, making it a favorite of western fly anglers; many subspecies are managed under catch-and-release rules to protect native populations.
Rainbow Trout Profile Tips
The most commonly targeted stocked trout in the country, taken on bait, spinners, and flies alike; a common first fish for new anglers.
Recommended Tackle for Glacier Lake
Field-tested tackle and presentations matched to the species stocked here.
Berkley PowerBait Floating Trout Dough
Hatchery-raised trout are conditioned to pelleted scents; scented dough floated 12–18 inches off bottom consistently triggers strikes.
Panther Martin Classic Teardrop Inline Spinner
The heavy convex blade spins instantly upon retrieval, sending vibration through the water that triggers aggressive reaction bites along drop-offs.
Sliding Sinker & Treble Hook Rigging Kit
Sliding egg sinkers allow cautious trout to run with bait without feeling line drag, while size 14–16 treble hooks keep dough bait securely pinned.
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Nearby stocked waters
Other stocked waters near Glacier Lake, freshest activity first.
Rainbow Lake 6
3 mi1 species · 14 records
Last stocked June 2025
Rainbow Lake 5
3 mi1 species · 14 records
Last stocked June 2025
Rainbow Lake #2
3 mi2 species · 15 records
Last stocked June 2025
Rainbow Lake #3
4 mi1 species · 13 records
Last stocked June 2025
Rainbow Lake #4
4 mi1 species · 13 records
Last stocked June 2025
Diaphanous Lake
3 mi2 species · 2 records
Last stocked September 2022
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| August 4, 2025 | Cutthroat Trout | 24,000 | 2.34" | Montana fish & wildlife agency |
| July 27, 2021 | Cutthroat Trout | 22,000 | 2.59" | Montana fish & wildlife agency |
| July 29, 2019 | Cutthroat Trout | 10,000 | 2.4" | Montana fish & wildlife agency |
| June 29, 2015 | Cutthroat Trout | 21,000 | 1.89" | Montana fish & wildlife agency |
| June 24, 2013 | Rainbow Trout | 603 | 7.53" | Montana fish & wildlife agency |
| July 30, 2012 | Cutthroat Trout | 11,000 | 2.4" | Montana fish & wildlife agency |
| July 28, 2009 | Cutthroat Trout | 22,000 | 2" | Montana fish & wildlife agency |
| August 1, 2006 | Cutthroat Trout | 21,000 | 2" | Montana fish & wildlife agency |
Show 32 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| August 5, 2003 | Cutthroat Trout | 22,000 | 2.15" | Montana fish & wildlife agency |
| August 8, 2000 | Cutthroat Trout | 22,000 | 2.1" | Montana fish & wildlife agency |
| May 19, 1999 | Rainbow Trout | 622 | 7.4" | Montana fish & wildlife agency |
| July 29, 1998 | Rainbow Trout | 600 | 8.6" | Montana fish & wildlife agency |
| August 18, 1997 | Cutthroat Trout | 22,000 | 2.2" | Montana fish & wildlife agency |
| August 8, 1994 | Cutthroat Trout | 22,000 | 2.4" | Montana fish & wildlife agency |
| August 5, 1991 | Cutthroat Trout | 21,008 | 2" | Montana fish & wildlife agency |
| August 18, 1988 | Cutthroat Trout | 21,000 | 2.1" | Montana fish & wildlife agency |
| August 13, 1987 | Cutthroat Trout | 4,905 | 1.8" | Montana fish & wildlife agency |
| July 22, 1985 | Cutthroat Trout | 19,348 | 2" | Montana fish & wildlife agency |
| August 19, 1982 | Cutthroat Trout | 13,258 | 2" | Montana fish & wildlife agency |
| August 7, 1981 | Cutthroat Trout | 31,975 | 2" | Montana fish & wildlife agency |
| August 17, 1979 | Cutthroat Trout | 6,159 | 2" | Montana fish & wildlife agency |
| August 24, 1978 | Cutthroat Trout | 9,000 | 2" | Montana fish & wildlife agency |
| August 24, 1978 | Cutthroat Trout | 7,900 | 2" | Montana fish & wildlife agency |
| August 6, 1971 | Cutthroat Trout | 2,070 | 3" | Montana fish & wildlife agency |
| July 29, 1971 | Cutthroat Trout | 2,006 | 3" | Montana fish & wildlife agency |
| July 29, 1971 | Cutthroat Trout | 4,779 | 3" | Montana fish & wildlife agency |
| July 29, 1971 | Cutthroat Trout | 2,237 | 3" | Montana fish & wildlife agency |
| July 26, 1971 | Cutthroat Trout | 5,928 | 3" | Montana fish & wildlife agency |
| July 26, 1971 | Cutthroat Trout | 3,120 | 3" | Montana fish & wildlife agency |
| August 16, 1960 | Rainbow Trout | 3,120 | 5" | Montana fish & wildlife agency |
| September 11, 1953 | Cutthroat Trout | 7,600 | 1" | Montana fish & wildlife agency |
| August 26, 1953 | Cutthroat Trout | 2,108 | 1" | Montana fish & wildlife agency |
| August 26, 1953 | Cutthroat Trout | 2,108 | 1" | Montana fish & wildlife agency |
| September 27, 1949 | Cutthroat Trout | 12,000 | 2" | Montana fish & wildlife agency |
| September 21, 1948 | Cutthroat Trout | 12,000 | 2" | Montana fish & wildlife agency |
| August 1, 1940 | Brook Trout | 2,100 | 3" | Montana fish & wildlife agency |
| July 30, 1937 | Brook Trout | 11,400 | 2" | Montana fish & wildlife agency |
| July 23, 1936 | Brook Trout | 23,119 | 0 | Montana fish & wildlife agency |
| July 26, 1933 | Brook Trout | 9,600 | 3" | Montana fish & wildlife agency |
| July 13, 1932 | Rainbow Trout | 3,000 | 5" | Montana fish & wildlife agency |
Frequently asked
When was Glacier Lake last stocked?
According to Montana fish & wildlife agency, Glacier Lake was last stocked August 4, 2025 with Cutthroat Trout.
What fish species are stocked in Glacier Lake?
Glacier Lake is stocked with Cutthroat Trout, Rainbow Trout, and Brook Trout.
What time of year is Glacier Lake stocked?
Glacier Lake is typically stocked in summer, most often in August.
How often is Glacier Lake stocked?
Glacier Lake is stocked intermittently — 40 recorded stockings between 1932 and 2025.
How many fish have been stocked in Glacier Lake?
About 463,673 fish have been stocked in Glacier Lake across 40 recorded events since 1932, per Montana fish & wildlife agency.
What size are the fish stocked in Glacier Lake?
Fish stocked in Glacier Lake average about 2.8 inches, based on the sizes the agency reported.
Do you need a fishing license to fish Glacier Lake?
Yes, all anglers age 16 and older generally need a valid Montana freshwater fishing license. Always review current regulations from Montana fish & wildlife agency for site-specific rules, bag limits, or stamps.
How do you catch stocked trout in Glacier Lake?
Freshly stocked trout in Glacier Lake typically respond well to floating dough bait (such as PowerBait) floated 12–18 inches off bottom on light 4–6 lb leader, live nightcrawlers under a bobber, and small inline spinners or spoons retrieved along shorelines and drop-offs.