Every stocked water on a map with live river flow and water temperature, plus an alert the day your water is stocked.
Seamline: Trout Fishing MapEvery stocked water on a map with live river flow and water temperature, plus an alert the day your water is stocked.
Lost Lake trout stocking: Mason County, Washington
Last stocked Mon, Sep 28, one of 7 stockings published in the last 12 months. Species: cutthroat trout and rainbow trout. At least 9,914 fish in the published counts. From Washington's published stocking reports.
Stocked in the last 12 months
- Mon, Sep 28: 2,000 rainbow trout
- Mon, Apr 27: 2,425 rainbow trout
- Wed, Apr 1: 409 rainbow trout
- Mon, Mar 16: 2,370 rainbow trout
- Mon, Mar 9: 2,535 rainbow trout
- Thu, Jan 15: 75 rainbow trout
- Fri, Dec 12, 2025: 100 cutthroat trout
When Lost Lake gets stocked
Over the last year Washington stocked it in January, March, April, September and December.
Seamline maps Lost Lake and every other stocked water in Washington with live river flow and water temperature where a gauge reports them, public access points, and an alert the day it is stocked.
Other stocked waters in Mason County
Aldrich Lake, Benson Lake, Cady Lake, Clara Lake, Devereaux Lake, Hatchery Lake, Haven Lake, Howell Lake, Island Lake, Jiggs Lake, Lake Kokanee, Lake Limerick
Updated Oct 10, 2:20 PM UTC from Washington's official stocking data. Dates marked "Week of" are published by the week, not the day.