Yaak River Fish Stocking
Montana · 1933–1975 on record
According to Montana fish & wildlife agency, Yaak River was last stocked June 18, 1975 with Brook Trout. Yaak River has 247 stocking records on file, spanning 1933–1975, with about 1,489,826 fish stocked over that period.
When Yaak River is stocked
Yaak River is typically stocked in summer, most often in July — 103 stocking events in that peak month.
Angler's Field Guide
Fishing Tips & Stocking Guide for Yaak River
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 Yaak River, 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 Yaak River was last stocked June 18, 1975, 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 Yaak River:
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.
Brook Trout Profile Tips
A favorite of high-country and small-stream anglers; often more willing to strike than brown or rainbow trout in the same water.
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.
Recommended Tackle for Yaak River
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 Yaak River, freshest activity first.
Troy Kids Pond
7 mi3 species · 214 records
Last stocked June 2026
Kilbrennan Lake
5 mi3 species · 62 records
Last stocked June 2015
Kootenai River
0 mi3 species · 26 records
Last stocked April 2008
Shannon Lake
12 mi1 species · 11 records
Last stocked July 1989
O'Brien Creek
9 mi2 species · 5 records
Last stocked May 1978
Arbo Creek
6 mi1 species · 2 records
Last stocked July 1976
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| June 18, 1975 | Brook Trout | 4,514 | 3" | Montana fish & wildlife agency |
| June 18, 1975 | Brook Trout | 4,514 | 3" | Montana fish & wildlife agency |
| July 22, 1970 | Cutthroat Trout | 1,500 | 7" | Montana fish & wildlife agency |
| July 22, 1970 | Cutthroat Trout | 1,500 | 7" | Montana fish & wildlife agency |
| July 16, 1970 | Cutthroat Trout | 1,500 | 7" | Montana fish & wildlife agency |
| July 16, 1970 | Cutthroat Trout | 1,500 | 7" | Montana fish & wildlife agency |
| July 24, 1969 | Cutthroat Trout | 349 | 14" | Montana fish & wildlife agency |
| July 24, 1969 | Cutthroat Trout | 349 | 14" | Montana fish & wildlife agency |
Show 42 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| July 23, 1969 | Cutthroat Trout | 345 | 14" | Montana fish & wildlife agency |
| July 23, 1969 | Cutthroat Trout | 345 | 14" | Montana fish & wildlife agency |
| June 23, 1969 | Cutthroat Trout | 1,045 | 3" | Montana fish & wildlife agency |
| June 23, 1969 | Cutthroat Trout | 1,045 | 3" | Montana fish & wildlife agency |
| June 23, 1969 | Rainbow Trout | 5,006 | 8" | Montana fish & wildlife agency |
| June 23, 1969 | Cutthroat Trout | 600 | 7" | Montana fish & wildlife agency |
| June 23, 1969 | Cutthroat Trout | 600 | 7" | Montana fish & wildlife agency |
| June 23, 1969 | Rainbow Trout | 5,006 | 8" | Montana fish & wildlife agency |
| August 5, 1968 | Rainbow Trout | 5,059 | 9" | Montana fish & wildlife agency |
| August 5, 1968 | Rainbow Trout | 5,059 | 9" | Montana fish & wildlife agency |
| July 29, 1968 | Rainbow Trout | 3,100 | 9" | Montana fish & wildlife agency |
| July 24, 1967 | Rainbow Trout | 7,997 | 8" | Montana fish & wildlife agency |
| July 24, 1967 | Rainbow Trout | 7,997 | 8" | Montana fish & wildlife agency |
| August 23, 1966 | Rainbow Trout | 1,770 | 6" | Montana fish & wildlife agency |
| August 23, 1966 | Rainbow Trout | 1,770 | 6" | Montana fish & wildlife agency |
| August 22, 1966 | Rainbow Trout | 1,711 | 6" | Montana fish & wildlife agency |
| June 24, 1965 | Rainbow Trout | 7,509 | 7" | Montana fish & wildlife agency |
| June 23, 1965 | Rainbow Trout | 2,106 | 7" | Montana fish & wildlife agency |
| June 23, 1965 | Rainbow Trout | 2,106 | 7" | Montana fish & wildlife agency |
| September 1, 1964 | Rainbow Trout | 4,500 | 7" | Montana fish & wildlife agency |
| September 1, 1964 | Rainbow Trout | 4,500 | 7" | Montana fish & wildlife agency |
| August 31, 1964 | Rainbow Trout | 4,500 | 7" | Montana fish & wildlife agency |
| August 31, 1964 | Rainbow Trout | 4,500 | 7" | Montana fish & wildlife agency |
| July 10, 1963 | Rainbow Trout | 9,006 | 6" | Montana fish & wildlife agency |
| July 10, 1963 | Rainbow Trout | 9,006 | 6" | Montana fish & wildlife agency |
| July 17, 1962 | Rainbow Trout | 4,498 | 6" | Montana fish & wildlife agency |
| July 17, 1962 | Rainbow Trout | 4,498 | 6" | Montana fish & wildlife agency |
| July 12, 1962 | Rainbow Trout | 4,505 | 6" | Montana fish & wildlife agency |
| July 12, 1962 | Rainbow Trout | 4,505 | 6" | Montana fish & wildlife agency |
| July 19, 1961 | Rainbow Trout | 8,102 | 6" | Montana fish & wildlife agency |
| July 19, 1961 | Rainbow Trout | 8,102 | 6" | Montana fish & wildlife agency |
| July 20, 1960 | Rainbow Trout | 3,900 | 0 | Montana fish & wildlife agency |
| July 20, 1960 | Rainbow Trout | 3,900 | 0 | Montana fish & wildlife agency |
| July 20, 1960 | Rainbow Trout | 3,900 | 0 | Montana fish & wildlife agency |
| July 20, 1960 | Rainbow Trout | 3,900 | 0 | Montana fish & wildlife agency |
| July 15, 1960 | Rainbow Trout | 1,092 | 0 | Montana fish & wildlife agency |
| July 15, 1960 | Rainbow Trout | 1,092 | 0 | Montana fish & wildlife agency |
| July 11, 1960 | Rainbow Trout | 1,175 | 0 | Montana fish & wildlife agency |
| July 11, 1960 | Rainbow Trout | 1,175 | 0 | Montana fish & wildlife agency |
| July 5, 1960 | Rainbow Trout | 1,200 | 0 | Montana fish & wildlife agency |
| July 5, 1960 | Rainbow Trout | 1,200 | 0 | Montana fish & wildlife agency |
| June 29, 1960 | Rainbow Trout | 1,200 | 0 | Montana fish & wildlife agency |
Showing 50 of 247 stocking records.
Frequently asked
When was Yaak River last stocked?
According to Montana fish & wildlife agency, Yaak River was last stocked June 18, 1975 with Brook Trout.
What fish species are stocked in Yaak River?
Yaak River is stocked with Brook Trout, Cutthroat Trout, and Rainbow Trout.
What time of year is Yaak River stocked?
Yaak River is typically stocked in summer, most often in July.
How often is Yaak River stocked?
Yaak River has been stocked about 6 times a year — 247 recorded stockings between 1933 and 1975.
How many fish have been stocked in Yaak River?
About 1,489,826 fish have been stocked in Yaak River across 247 recorded events since 1933, per Montana fish & wildlife agency.
What size are the fish stocked in Yaak River?
Fish stocked in Yaak River average about 5.2 inches, based on the sizes the agency reported.
Do you need a fishing license to fish Yaak River?
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 Yaak River?
Freshly stocked trout in Yaak River 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.