Sidley Lake Fish Stocking
Okanogan County, Washington · 1995–2026 on record
According to Washington fish & wildlife agency, Sidley Lake was last stocked July 2, 2026 with Rainbow Trout. Sidley Lake has 104 stocking records on file, spanning 1995–2026, with about 614,788 fish stocked over that period.
When Sidley Lake is stocked
Sidley Lake is typically stocked year-round, most often in May — 26 stocking events in that peak month.
Angler's Field Guide
Fishing Tips & Stocking Guide for Sidley Lake
Practical advice on fish behavior, recommended tackle, and state regulations for anglers fishing in Okanogan County, Washington.
Post-Plant Behavior & Timing
Hatchery-raised fish are conditioned to pelleted feed and open raceways. Following a release into Sidley 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 Sidley Lake was last stocked July 2, 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 Sidley 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.
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.
Golden Trout Profile Tips
A bucket-list fish for many western anglers, often requiring a backcountry hike to reach stocked alpine lakes.
Recommended Tackle for Sidley 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.
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 Sidley Lake, freshest activity first.
Palmer Lake
19 miOkanogan County · 5 species · 294 records
Last stocked June 2026
Bonaparte Lake
15 miOkanogan County · 7 species · 226 records
Last stocked June 2026
Lake Beth
14 miOkanogan County · 4 species · 69 records
Last stocked May 2026
Spectacle Lake
20 miOkanogan County · 4 species · 256 records
Last stocked May 2026
Washburn Lake
20 miOkanogan County · 6 species · 55 records
Last stocked May 2026
Whitestone Lake
18 miOkanogan County · 3 species · 23 records
Last stocked May 2026
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Source |
|---|---|---|---|
| July 2, 2026 | Rainbow Trout | 5,000 | Washington fish & wildlife agency |
| September 25, 2025 | Rainbow Trout | 3,000 | Washington fish & wildlife agency |
| June 16, 2025 | Rainbow Trout | 5,000 | Washington fish & wildlife agency |
| September 27, 2024 | Rainbow Trout | 3,000 | Washington fish & wildlife agency |
| September 14, 2023 | Rainbow Trout | 3,000 | Washington fish & wildlife agency |
| June 19, 2023 | Rainbow Trout | 5,000 | Washington fish & wildlife agency |
| June 19, 2023 | Rainbow Trout | 5,000 | Washington fish & wildlife agency |
| October 11, 2022 | Rainbow Trout | 4,060 | Washington fish & wildlife agency |
Show 42 more stocking records →
| Date | Species | Number | Source |
|---|---|---|---|
| June 1, 2022 | Rainbow Trout | 5,000 | Washington fish & wildlife agency |
| October 11, 2021 | Rainbow Trout | 3,450 | Washington fish & wildlife agency |
| October 8, 2021 | Rainbow Trout | 3,450 | Washington fish & wildlife agency |
| June 16, 2021 | Rainbow Trout | 5,000 | Washington fish & wildlife agency |
| October 20, 2020 | Rainbow Trout | 2,800 | Washington fish & wildlife agency |
| October 20, 2020 | Rainbow Trout | 4,200 | Washington fish & wildlife agency |
| June 23, 2020 | Rainbow Trout | 5,000 | Washington fish & wildlife agency |
| April 30, 2020 | Rainbow Trout | 2,800 | Washington fish & wildlife agency |
| October 18, 2019 | Rainbow Trout | 2,500 | Washington fish & wildlife agency |
| October 17, 2019 | Rainbow Trout | 2,500 | Washington fish & wildlife agency |
| June 25, 2019 | Rainbow Trout | 3,002 | Washington fish & wildlife agency |
| April 24, 2019 | Rainbow Trout | 2,800 | Washington fish & wildlife agency |
| November 15, 2018 | Rainbow Trout | 2,000 | Washington fish & wildlife agency |
| June 6, 2018 | Rainbow Trout | 5,500 | Washington fish & wildlife agency |
| April 19, 2018 | Rainbow Trout | 2,000 | Washington fish & wildlife agency |
| November 7, 2017 | Rainbow Trout | 3,000 | Washington fish & wildlife agency |
| June 19, 2017 | Rainbow Trout | 5,000 | Washington fish & wildlife agency |
| May 10, 2017 | Rainbow Trout | 2,000 | Washington fish & wildlife agency |
| October 25, 2016 | Rainbow Trout | 4,000 | Washington fish & wildlife agency |
| June 6, 2016 | Rainbow Trout | 4,000 | Washington fish & wildlife agency |
| May 9, 2016 | Rainbow Trout | 2,000 | Washington fish & wildlife agency |
| October 7, 2015 | Rainbow Trout | 4,000 | Washington fish & wildlife agency |
| June 3, 2015 | Rainbow Trout | 2,000 | Washington fish & wildlife agency |
| May 28, 2015 | Rainbow Trout | 2,000 | Washington fish & wildlife agency |
| November 13, 2014 | Golden Trout | 1,601 | Washington fish & wildlife agency |
| October 31, 2014 | Golden Trout | 2,830 | Washington fish & wildlife agency |
| October 30, 2014 | Rainbow Trout | 4,000 | Washington fish & wildlife agency |
| May 13, 2014 | Rainbow Trout | 2,500 | Washington fish & wildlife agency |
| October 29, 2013 | Rainbow Trout | 1,250 | Washington fish & wildlife agency |
| October 24, 2013 | Rainbow Trout | 3,750 | Washington fish & wildlife agency |
| May 23, 2013 | Rainbow Trout | 900 | Washington fish & wildlife agency |
| May 17, 2013 | Rainbow Trout | 3,600 | Washington fish & wildlife agency |
| October 22, 2012 | Rainbow Trout | 5,000 | Washington fish & wildlife agency |
| October 10, 2012 | Golden Trout | 1,500 | Washington fish & wildlife agency |
| October 3, 2012 | Cutthroat Trout | 2,000 | Washington fish & wildlife agency |
| May 14, 2012 | Rainbow Trout | 5,000 | Washington fish & wildlife agency |
| October 17, 2011 | Rainbow Trout | 5,000 | Washington fish & wildlife agency |
| September 1, 2011 | Cutthroat Trout | 4,354 | Washington fish & wildlife agency |
| September 1, 2011 | Cutthroat Trout | 2,490 | Washington fish & wildlife agency |
| September 1, 2011 | Cutthroat Trout | 2,078 | Washington fish & wildlife agency |
| September 1, 2011 | Cutthroat Trout | 3,265 | Washington fish & wildlife agency |
| September 1, 2011 | Cutthroat Trout | 1,888 | Washington fish & wildlife agency |
The reporting agency did not include fish sizes for this water.
Showing 50 of 104 stocking records.
Frequently asked
When was Sidley Lake last stocked?
According to Washington fish & wildlife agency, Sidley Lake was last stocked July 2, 2026 with Rainbow Trout.
What fish species are stocked in Sidley Lake?
Sidley Lake is stocked with Rainbow Trout, Golden Trout, and Cutthroat Trout.
What time of year is Sidley Lake stocked?
Sidley Lake is typically stocked year-round, most often in May.
How often is Sidley Lake stocked?
Sidley Lake has been stocked about 3 times a year — 104 recorded stockings between 1995 and 2026.
How many fish have been stocked in Sidley Lake?
About 614,788 fish have been stocked in Sidley Lake across 104 recorded events since 1995, per Washington fish & wildlife agency.
Do you need a fishing license to fish Sidley 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 Sidley Lake?
Freshly stocked trout in Sidley 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.