Langlois Lake Fish Stocking
King County, Washington · 1995–2026 on record
According to Washington fish & wildlife agency, Langlois Lake was last stocked April 30, 2026 with Kokanee. Langlois Lake has 102 stocking records on file, spanning 1995–2026, with about 740,813 fish stocked over that period.
When Langlois Lake is stocked
Langlois Lake is typically stocked in spring, most often in April — 52 stocking events in that peak month.
By species
Angler's Field Guide
Fishing Tips & Stocking Guide for Langlois Lake
Practical advice on fish behavior, recommended tackle, and state regulations for anglers fishing in King County, Washington.
Post-Plant Behavior & Timing
Hatchery-raised fish are conditioned to pelleted feed and open raceways. Following a release into Langlois 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 Langlois Lake was last stocked April 30, 2026, 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 Washington freshwater fishing license is required for anglers age 16 and older.Purchase Washington license online →
- •Official Rules & Limits: Bag limits, bait restrictions, and seasonal boundaries are set by Washington fish & wildlife agency.Official Washington 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 Langlois 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.
Kokanee & Salmon Tactics
Troll small dodgers followed by micro-hoochies or wedding ring spinners tipped with shoepeg corn. Use downriggers or lead-core line to reach cooler thermocline depths (typically 20–50 ft in summer).
Kokanee Profile Tips
Usually caught by trolling small lures or bait behind flashers at depth; a major fall spectacle when spawning runs turn red in tributary streams.
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 Langlois 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.
Mack's Lure Classic Wedding Ring Spinner
A classic Western trolling lure designed to be tipped with shoepeg corn and run behind a dodger in deep thermoclines.
As an Amazon Associate, StockedWaters earns from qualifying purchases at no additional cost to you. Recommendations are chosen for hatchery-conditioned fish behavior and ethical rigging. We may receive a referral commission if you buy through these links. Read our editorial policy & standards.
Nearby stocked waters
Other stocked waters near Langlois Lake, freshest activity first.
Moss Lake
4 miKing County · 1 species · 20 records
Last stocked July 2026
Icy Creek
7 miKing County · 3 species · 73 records
Last stocked May 2026
Lake Alice
7 miKing County · 4 species · 108 records
Last stocked May 2026
Moss Lake
4 miLewis County · 1 species · 14 records
Last stocked September 2025
Tokul Creek
6 miKing County · 1 species · 49 records
Last stocked April 2024
Tolt River
2 miKing County · 2 species · 27 records
Last stocked February 2023
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Source |
|---|---|---|---|
| April 30, 2026 | Kokanee | 20,000 | Washington fish & wildlife agency |
| April 10, 2026 | Rainbow Trout | 3,200 | Washington fish & wildlife agency |
| April 7, 2026 | Rainbow Trout | 1,400 | Washington fish & wildlife agency |
| October 21, 2025 | Kokanee | 4,825 | Washington fish & wildlife agency |
| May 1, 2025 | Kokanee | 20,000 | Washington fish & wildlife agency |
| April 10, 2025 | Rainbow Trout | 5,113 | Washington fish & wildlife agency |
| May 7, 2024 | Kokanee | 37,000 | Washington fish & wildlife agency |
| April 18, 2024 | Rainbow Trout | 4,140 | Washington fish & wildlife agency |
Show 42 more stocking records →
| Date | Species | Number | Source |
|---|---|---|---|
| April 18, 2024 | Rainbow Trout | 954 | Washington fish & wildlife agency |
| May 9, 2023 | Kokanee | 35,000 | Washington fish & wildlife agency |
| April 17, 2023 | Rainbow Trout | 5,064 | Washington fish & wildlife agency |
| October 13, 2022 | Steelhead | 4,725 | Washington fish & wildlife agency |
| May 17, 2022 | Kokanee | 30,129 | Washington fish & wildlife agency |
| April 11, 2022 | Rainbow Trout | 5,006 | Washington fish & wildlife agency |
| May 18, 2021 | Kokanee | 20,000 | Washington fish & wildlife agency |
| April 15, 2021 | Rainbow Trout | 1,200 | Washington fish & wildlife agency |
| April 15, 2021 | Rainbow Trout | 3,823 | Washington fish & wildlife agency |
| May 15, 2020 | Kokanee | 35,100 | Washington fish & wildlife agency |
| April 28, 2020 | Rainbow Trout | 2,295 | Washington fish & wildlife agency |
| April 27, 2020 | Rainbow Trout | 2,748 | Washington fish & wildlife agency |
| May 8, 2019 | Kokanee | 35,150 | Washington fish & wildlife agency |
| April 15, 2019 | Rainbow Trout | 2,544 | Washington fish & wildlife agency |
| April 15, 2019 | Rainbow Trout | 2,500 | Washington fish & wildlife agency |
| April 30, 2018 | Steelhead | 5,000 | Washington fish & wildlife agency |
| April 18, 2018 | Rainbow Trout | 200 | Washington fish & wildlife agency |
| April 18, 2018 | Rainbow Trout | 4,802 | Washington fish & wildlife agency |
| April 11, 2017 | Rainbow Trout | 1,104 | Washington fish & wildlife agency |
| April 11, 2017 | Rainbow Trout | 3,933 | Washington fish & wildlife agency |
| May 24, 2016 | Kokanee | 15,000 | Washington fish & wildlife agency |
| May 23, 2016 | Steelhead | 80 | Washington fish & wildlife agency |
| May 11, 2016 | Steelhead | 7,818 | Washington fish & wildlife agency |
| April 12, 2016 | Rainbow Trout | 2,024 | Washington fish & wildlife agency |
| April 12, 2016 | Rainbow Trout | 2,982 | Washington fish & wildlife agency |
| May 27, 2015 | Kokanee | 17,062 | Washington fish & wildlife agency |
| April 14, 2015 | Rainbow Trout | 1,105 | Washington fish & wildlife agency |
| April 14, 2015 | Rainbow Trout | 3,897 | Washington fish & wildlife agency |
| November 3, 2014 | Steelhead | 3,200 | Washington fish & wildlife agency |
| October 15, 2014 | Steelhead | 5,200 | Washington fish & wildlife agency |
| June 23, 2014 | Kokanee | 15,975 | Washington fish & wildlife agency |
| April 17, 2014 | Rainbow Trout | 5,016 | Washington fish & wildlife agency |
| May 1, 2013 | Kokanee | 15,000 | Washington fish & wildlife agency |
| April 17, 2013 | Rainbow Trout | 5,040 | Washington fish & wildlife agency |
| September 26, 2012 | Rainbow Trout | 2,393 | Washington fish & wildlife agency |
| May 1, 2012 | Kokanee | 15,000 | Washington fish & wildlife agency |
| April 17, 2012 | Rainbow Trout | 5,016 | Washington fish & wildlife agency |
| June 6, 2011 | Kokanee | 15,051 | Washington fish & wildlife agency |
| April 5, 2011 | Rainbow Trout | 9,150 | Washington fish & wildlife agency |
| June 24, 2010 | Kokanee | 9,997 | Washington fish & wildlife agency |
| May 19, 2010 | Rainbow Trout | 5,388 | Washington fish & wildlife agency |
| April 22, 2010 | Rainbow Trout | 2,788 | Washington fish & wildlife agency |
The reporting agency did not include fish sizes for this water.
Showing 50 of 102 stocking records.
Frequently asked
When was Langlois Lake last stocked?
According to Washington fish & wildlife agency, Langlois Lake was last stocked April 30, 2026 with Kokanee.
What fish species are stocked in Langlois Lake?
Langlois Lake is stocked with Kokanee, Rainbow Trout, Steelhead, Cutthroat Trout, and Brook Trout.
What time of year is Langlois Lake stocked?
Langlois Lake is typically stocked in spring, most often in April.
How often is Langlois Lake stocked?
Langlois Lake has been stocked about 3 times a year — 102 recorded stockings between 1995 and 2026.
How many fish have been stocked in Langlois Lake?
About 740,813 fish have been stocked in Langlois Lake across 102 recorded events since 1995, per Washington fish & wildlife agency.
Do you need a fishing license to fish Langlois Lake?
Yes, all anglers age 16 and older generally need a valid Washington freshwater fishing license. Always review current regulations from Washington fish & wildlife agency for site-specific rules, bag limits, or stamps.
How do you catch stocked trout in Langlois Lake?
Freshly stocked trout in Langlois 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.