Osborne Lakes trout stocking
Mason County, Washington · lake
Osborne Lakes was last stocked 6 months ago (Apr 9, 2026). We have 4 stockings on record since Apr 2, 2025, 2 in the last 12 months (440 fish). Most stockings come in April. Species stocked: rainbow trout, cutthroat trout.
Last stocked
6 months ago
Apr 9, 2026
Next planned
Not announced
Last 12 months
2 stockings
440 fish
On record
4 stockings
since Apr 2, 2025
When is Osborne Lakes stocked?
Most stockings come in April. Stocked 3 times in 2025, usually on Wednesdays, about every 168 days.
By month, all years
Year by year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1 | |||||||||||
| 2025 | 1 | 1 | 1 |
What is stocked
| Species | Stockings | Fish | Fish per stocking | Typical size |
|---|---|---|---|---|
| Rainbow trout | 3 | 640 | 213 | |
| Cutthroat trout | 1 | 200 | 200 |
Stocking history
| Date | Species | Fish | Pounds | Hatchery |
|---|---|---|---|---|
| Apr 9, 2026 | Rainbow trout | 160 | 64 | Eells Springs |
| Oct 15, 2025 | Rainbow trout | 280 | 17 | Eells Springs |
| Sep 17, 2025 | Cutthroat trout | 200 | 7 | Eells Springs |
| Apr 2, 2025 | Rainbow trout | 200 | 93 | Eells Springs |
From Washington fish and wildlife agency reports, collected nightly and kept after the agency takes them down. Agencies revise reports; check the agency's report before you go.
Other stocked waters in Mason County
- Lake Kokaneelakestocked Sep 1, 2026
- Mason Lakelakestocked Aug 3, 2026
- Pine Lakelakestocked Jul 4, 2026
- Panhandle Lakelakestocked Jun 8, 2026
- Aldrich Lakelakestocked May 21, 2026
- Clara Lakelakestocked May 21, 2026
- Robbins Lakelakestocked May 21, 2026
- Tiger Lakelakestocked May 21, 2026
All stocked waters in Mason CountyStocked this week in Washington
Questions about Osborne Lakes
- When was Osborne Lakes last stocked?
- The latest reported stocking was Apr 9, 2026 (rainbow trout, 160 fish), according to Washington agency reports.
- How often is Osborne Lakes stocked?
- Stocked 3 times in 2025, usually on Wednesdays, about every 168 days. Across all years on record, most stockings come in April.
- What kind of trout are stocked in Osborne Lakes?
- Rainbow trout (3 stockings, 640 fish); Cutthroat trout (1 stocking, 200 fish).