TroutNearMe

Mason Lake trout stocking

Mason County, Washington · lake · about 196 ft elevation

Mason Lake was last stocked 3 months ago (Aug 3, 2026). We have 107 stockings on record since Dec 29, 2016, 7 in the last 12 months (225,702 fish). Most stockings come in August and October. Species stocked: rainbow trout, kokanee, cutthroat trout.

Last stocked
3 months ago
Aug 3, 2026
Next planned
Not announced
Last 12 months
7 stockings
225,702 fish
On record
107 stockings
since Dec 29, 2016
  • The second most stocked of 55 waters in Mason County.
  • Stocked more often than 99% of Washington waters on our record.

Weather at Mason Lake

  • Today
    55°F
    Mostly Cloudy then Light Rain Likely
    73% rain · wind 7 mph
  • Tonight
    44°F
    Light Rain then Mostly Cloudy
    98% rain · wind 5 to 10 mph
  • Thursday
    55°F
    Partly Sunny
    5% rain · wind 5 to 8 mph
  • Thursday Night
    43°F
    Cloudy then Light Rain
    83% rain · wind 1 to 5 mph
  • Friday
    51°F
    Light Rain
    96% rain · wind 3 to 8 mph
  • Friday Night
    46°F
    Light Rain
    78% rain · wind 0 to 8 mph

Forecast from the National Weather Service for this location, refreshed hourly.

When is Mason Lake stocked?

Most stockings come in August and October. Stocked 6 times in 2026, usually on Mondays, about every 6 days.

By month, all years

Jan: 1 stocking1JanFebMar: 3 stockings3MarApr: 4 stockings4AprMay: 14 stockings14MayJun: 14 stockings14JunJul: 6 stockings6JulAug: 18 stockings18AugSep: 7 stockings7SepOct: 25 stockings25OctNov: 10 stockings10NovDec: 5 stockings5Dec
Stockings of Mason Lake by month, all years on record. This month is shown in blue.

Year by year

JanFebMarAprMayJunJulAugSepOctNovDec
20262121
2025111331
202411323
2023132121
2022121111
202112351
20201213511
20192231522

What is stocked

SpeciesStockingsFishFish per stocking
Rainbow trout982,498,77825,498
Kokanee7313,88844,841
Cutthroat trout315,0025,001

Stocking history

20266 stockings · 222,677 fish
DateSpeciesFishSince previousHatchery
Aug 3Latest
Monday
Rainbow trout
24,025
382 lb
6 daysEells Springs
Jul 28
Tuesday
Rainbow trout
30,795
449 lb
1 dayEells Springs
Jul 27
Monday
Rainbow trout
46,890
832 lb
7 weeksEells Springs
Jun 8
Monday
Rainbow trout
31,677
59 lb
62 daysEells Springs
Apr 7
Tuesday
Rainbow trout
56,100
119 lb
6 daysEells Springs
Apr 1
Wednesday
Rainbow trout
33,190
61 lb
142 daysEells Springs
202510 stockings · 241,845 fish
DateSpeciesFishSince previousHatchery
Nov 10
Monday
Rainbow trout
3,025
199 lb
26 daysEells Springs
Oct 15
Wednesday
Rainbow trout
9,500
583 lb
1 dayEells Springs
Oct 14
Tuesday
Rainbow trout
5,763
388 lb
1 dayEells Springs
Oct 13
Monday
Rainbow trout
6,705
493 lb
55 daysEells Springs
Aug 19
Tuesday
Rainbow trout
39,735
1,046 lb
1 dayEells Springs
Aug 18
Monday
Rainbow trout
90,660
2,307 lb
4 daysEells Springs
Aug 14
Thursday
Rainbow trout
3,710
29 lb
72 daysEells Springs
Jun 3
Tuesday
Rainbow trout
29,460
34 lb
22 daysEells Springs
May 12
Monday
Kokanee
49,610
177 lb
125 daysEells Springs
Jan 7
Tuesday
Rainbow trout
3,677
220 lb
78 daysEells Springs
202410 stockings · 280,342 fish
DateSpeciesFishSince previousHatchery
Oct 21
Monday
Rainbow trout
36,055
2,465 lb
6 daysEells Springs
Oct 15
Tuesday
Rainbow trout
24,125
1,730 lb
1 dayEells Springs
Oct 14
Monday
Rainbow trout
10,800
700 lb
2 weeksEells Springs
Sep 30
Monday
Rainbow trout
17,055
1,081 lb
18 daysEells Springs
Sep 12
Thursday
Rainbow trout
1,270
19 lb
17 daysEells Springs
Aug 26
Monday
Rainbow trout
109,160
4,590 lb
6 daysEells Springs
Aug 20
Tuesday
Rainbow trout
26,917
450 lb
1 dayEells Springs
Aug 19
Monday
Rainbow trout
21,688
350 lb
76 daysEells Springs
Jun 4
Tuesday
Rainbow trout
152
93 lb
6 daysEells Springs
May 29
Wednesday
Rainbow trout
33,120
29 lb
26 weeksEells Springs
202310 stockings · 311,588 fish
  • Nov 29 rainbow trout, 1,925 fish
  • Oct 24 rainbow trout, 15,285 fish
  • Oct 2 rainbow trout, 9,985 fish
  • Sep 29 cutthroat trout, 6,200 fish
  • Aug 29 rainbow trout, 187,435 fish
  • Aug 16 rainbow trout, 2,830 fish
  • May 31 kokanee, 43,165 fish
  • May 30 rainbow trout, 37,100 fish
  • May 28 rainbow trout, 203 fish
  • Apr 26 cutthroat trout, 7,460 fish
20227 stockings · 133,656 fish
  • Dec 1 rainbow trout, 5,705 fish
  • Nov 8 rainbow trout, 8,310 fish
  • Oct 25 rainbow trout, 11,473 fish
  • Sep 7 rainbow trout, 1,690 fish
  • Aug 30 rainbow trout, 28,660 fish
  • Aug 29 rainbow trout, 46,850 fish
  • May 24 rainbow trout, 30,968 fish
202112 stockings · 406,411 fish
  • Nov 16 rainbow trout, 5,455 fish
  • Oct 25 rainbow trout, 22,340 fish
  • Oct 20 rainbow trout, 10,940 fish
  • Oct 19 rainbow trout, 23,960 fish
  • Oct 11 rainbow trout, 10,650 fish
  • Oct 6 rainbow trout, 6,609 fish
  • Jun 18 rainbow trout, 28,000 fish
  • Jun 17 rainbow trout, 210,430 fish
  • Jun 7 kokanee, 49,000 fish
  • May 25 rainbow trout, 24,044 fish
  • May 17 rainbow trout, 9,475 fish
  • Mar 29 rainbow trout, 5,508 fish
202014 stockings · 338,019 fish
  • Dec 22 rainbow trout, 8,695 fish
  • Nov 16 rainbow trout, 9,596 fish
  • Oct 22 rainbow trout, 25,380 fish
  • Oct 21 rainbow trout, 16,370 fish
  • Oct 20 rainbow trout, 18,813 fish
  • Oct 19 rainbow trout, 19,125 fish
  • Oct 15 rainbow trout, 6,330 fish
  • Sep 3 rainbow trout, 16,975 fish
  • Sep 2 rainbow trout, 116,265 fish
  • Sep 1 rainbow trout, 46,950 fish
  • Aug 31 rainbow trout, 22,346 fish
  • Jun 22 rainbow trout, 12,645 fish
  • Jun 19 rainbow trout, 16,586 fish
  • May 14 rainbow trout, 1,943 fish
201917 stockings · 523,107 fish
  • Nov 18 rainbow trout, 16,590 fish
  • Nov 4 rainbow trout, 15,595 fish
  • Oct 30 rainbow trout, 7,650 fish
  • Oct 1 rainbow trout, 13,910 fish
  • Aug 23 rainbow trout, 19,250 fish
  • Aug 22 rainbow trout, 73,715 fish
  • Aug 21 rainbow trout, 47,850 fish
  • Aug 12 rainbow trout, 26,600 fish
  • Aug 5 rainbow trout, 56,490 fish
  • Jul 9 rainbow trout, 17,052 fish
  • Jun 21 rainbow trout, 7,895 fish
  • Jun 11 cutthroat trout, rainbow trout, 10,942 fish
  • Jun 3 rainbow trout, 205 fish
  • May 13 kokanee, 7,600 fish
  • May 7 kokanee, 48,873 fish
  • Mar 25 rainbow trout, 40,000 fish
  • Mar 1 rainbow trout, 112,890 fish
201814 stockings · 145,813 fish
  • Dec 11 rainbow trout, 8,635 fish
  • Dec 10 rainbow trout, 9,700 fish
  • Nov 26 rainbow trout, 4,490 fish
  • Nov 20 rainbow trout, 3,667 fish
  • Nov 5 rainbow trout, 22,331 fish
  • Oct 31 rainbow trout, 9,859 fish
  • Oct 26 rainbow trout, 7,095 fish
  • Oct 25 rainbow trout, 12,290 fish
  • Oct 23 rainbow trout, 17,209 fish
  • Jul 20 rainbow trout, 3,100 fish
  • Jun 25 rainbow trout, 20,000 fish
  • Jun 11 rainbow trout, 9,850 fish
  • May 29 rainbow trout, 202 fish
  • May 14 kokanee, 17,385 fish
20176 stockings · 223,760 fish
  • Aug 8 rainbow trout, 25,210 fish
  • Jul 31 rainbow trout, 68,280 fish
  • Jul 10 rainbow trout, 24,483 fish
  • Jun 13 rainbow trout, 200 fish
  • May 24 kokanee, 98,255 fish
  • Apr 3 rainbow trout, 7,332 fish
20161 stocking · 450 fish
  • Dec 29 rainbow trout, 450 fish

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. Seasons and limits: Washington fishing regulations.

Where is Mason Lake?

Mason County, Washington. Approximate: the marker is the USGS place-name point for this water, not an agency location.

DirectionsLarger mapWashington fishing regulations

Stocked waters near Mason Lake

All stocked waters in Mason CountyStocked this week in Washington

Questions about Mason Lake

When was Mason Lake last stocked?
The latest reported stocking was Aug 3, 2026 (rainbow trout, 24,025 fish), according to Washington agency reports.
How often is Mason Lake stocked?
Stocked 6 times in 2026, usually on Mondays, about every 6 days. Across all years on record, most stockings come in August and October.
Is Mason Lake stocked often?
The second most stocked of 55 waters in Mason County. Stocked more often than 99% of Washington waters on our record. We count each day the agency reported stocking it.
What kind of trout are stocked in Mason Lake?
Rainbow trout (98 stockings, 2,498,778 fish); Kokanee (7 stockings, 313,888 fish); Cutthroat trout (3 stockings, 15,002 fish).