Mason Lake
WDFW logged 6 trout stocking dates at Mason Lake in 2026 so far, 222,677 fish in all. The latest was on Aug 3, 2026. WDFW lists it as “Mason Lk (Maso)”.
WDFW data pulled . Latest record in the WDFW data for any water: Nov 4, 2026.

Mason Lake in numbers
- fish stocked in 2026, through Nov 6
- 222,677
- by the same date in 2025
- 238,820
- in all of 2025
- 241,845
Every stocking record
Every trout and kokanee release WDFW lists for this water in the last two years, newest first, then yearly totals since 2020. Counts include fry and fingerlings as well as catchable trout: WDFW calls catchable fish “legals”. Fish per pound is WDFW’s figure for each release; fewer fish per pound means bigger fish.
| Date | Species | Fish | Life stage | Fish per lb |
|---|---|---|---|---|
| Aug 3 | Rainbow trout16,295 fish · Fry | 16,295 | Fry | 60.8 |
| Aug 3 | Rainbow trout7,730 fish · Fry | 7,730 | Fry | 67.8 |
| Jul 28 | Rainbow trout15,615 fish · Fry | 15,615 | Fry | 67 |
| Jul 28 | Rainbow trout8,735 fish · Fry | 8,735 | Fry | 71 |
| Jul 28 | Rainbow trout6,445 fish · Fry | 6,445 | Fry | 69 |
| Jul 27 | Rainbow trout20,095 fish · Fry | 20,095 | Fry | 51 |
| Jul 27 | Rainbow trout18,675 fish · Fry | 18,675 | Fry | 58 |
| Jul 27 | Rainbow trout8,120 fish · Fry | 8,120 | Fry | 70 |
| Jun 8 | Rainbow trout31,677 fish · Fry | 31,677 | Fry | 536 |
| Apr 7 | Rainbow trout56,100 fish · Fry | 56,100 | Fry | 470 |
| Apr 1 | Rainbow trout33,190 fish · Fry | 33,190 | Fry | 541 |
| Date | Species | Fish | Life stage | Fish per lb |
|---|---|---|---|---|
| Nov 10 | Rainbow trout2,825 fish · Fry | 2,825 | Fry | 14.6 |
| Nov 10 | Rainbow trout200 fish · Fry | 200 | Fry | 32.7 |
| Oct 15 | Rainbow trout9,500 fish · Fry | 9,500 | Fry | 16.3 |
| Oct 14 | Rainbow trout4,616 fish · Fry | 4,616 | Fry | 15.81 |
| Oct 14 | Rainbow trout1,147 fish · Fry | 1,147 | Fry | 11.95 |
| Oct 13 | Rainbow trout6,705 fish · Fry | 6,705 | Fry | 13.6 |
| Aug 19 | Rainbow trout39,735 fish · Fry | 39,735 | Fry | 38 |
| Aug 18 | Rainbow trout47,120 fish · Fry | 47,120 | Fry | 39.3 |
| Aug 18 | Rainbow trout43,540 fish · Fry | 43,540 | Fry | 39.3 |
| Aug 14 | Rainbow trout3,710 fish · Fry | 3,710 | Fry | 128 |
| Jun 3 | Rainbow trout29,460 fish · Fry | 29,460 | Fry | 869 |
| May 12 | Kokanee49,610 fish · Fry | 49,610 | Fry | 280 |
| Jan 7 | Rainbow trout1,994 fish · Fry | 1,994 | Fry | 16.62 |
| Jan 7 | Rainbow trout1,683 fish · Fry | 1,683 | Fry | 16.82 |
| Year | Stocking dates | Fish |
|---|---|---|
| 2026 | 6 | 222,677 |
| 2025 | 10 | 241,845 |
| 2024 | 10 | 280,342 |
| 2023 | 10 | 311,588 |
| 2022 | 7 | 133,656 |
| 2021 | 12 | 406,411 |
| 2020 | 14 | 338,019 |
Trout stocked each year
2026 is outlined because the year is not over. The tallest full year is yellow. Counts include fry and fingerlings.
What is stocked here
| Species | Fish | Share |
|---|---|---|
| Rainbow trout | 1,779,103 | 92% |
| Kokanee | 141,775 | 7% |
| Cutthroat trout | 13,660 | 1% |
Map point 47.3350, -122.9575: the USGS Geographic Names Information System point for this lake (feature 1506501). It marks the water, not a parking lot or a boat launch.
Closest waters on this site
Straight-line distance between USGS map points, not driving distance.
Also in Mason County: Spencer Lake, Lost Lake, Nahwatzel Lake, Trails End Lake, Cady Lake, Aldrich Lake, Devereaux Lake, Clara Lake.
Source: WDFW Fish Plants dataset, data.wa.gov, Washington Department of Fish and Wildlife. Pulled . Check the agency and the current fishing rules before you go.
Near Mason Lake
Boat access, bait shops, rentals and places to stay within 10 miles. Distances are straight lines from the map point of the water, not driving distance.
Bait and tackle
1 listed- Larry's Used Tackle Shopoutdoor store · Union4.0 mi
Boats, kayaks and marinas
nearest 3- Jarrell's Cove Marinamarina · Shelton4.7 mi
- Fair Harbor Marinamarina · Grapeview5.9 mi
- Summertide Resort and Marinamarina · Tahuya5.9 mi
Campgrounds and RV parks
nearest 3- Twilight Retreatcampground · Allyn3.8 mi
- The Alder Forestcampground · Belfair3.9 mi
- Spencer Lake RV ParkRV park · Shelton4.4 mi
Lodging
nearest 3- Hood Canal Resort - Luxury Lookout Vacation Rentalhotel · Union3.8 mi
- Sisters Point Waterfront Cabin on Hood Canalcabins · Belfair5.2 mi
- Harstine Island Cabincabins · Shelton5.3 mi
Businesses: Overture Maps Foundation open places data (release 2026-10-21.0, pulled 2026-11-06), from the businesses’ public listings. We have not visited them and do not rank them. Hours and services change, so call ahead.