Mountain Lake trout stocking
San Juan County, Washington · lake · about 923 ft elevation
Mountain Lake was last stocked 12 months ago (Nov 14, 2025). We have 10 stockings on record since Nov 2, 2016, 1 in the last 12 months (15,558 fish). Most stockings come in November. Species stocked: cutthroat trout, kokanee.
- The second most stocked of 4 waters in San Juan County.
- Stocked about as often as a typical Washington water on our record.
Weather at Mountain Lake
- Overnight48°FLight Rain Likely69% rain · wind 20 to 23 mph
- Sunday50°FLight Rain Likely63% rain · wind 7 to 20 mph
- Sunday Night41°FMostly Cloudy1% rain · wind 8 mph
- Monday50°FCloudy then Light Rain91% rain · wind 7 to 18 mph
- Monday Night46°FLight Rain91% rain · wind 15 to 20 mph
- Tuesday53°FLight Rain95% rain · wind 18 to 25 mph
Forecast from the National Weather Service for this location, refreshed hourly.
When is Mountain Lake stocked?
Most stockings come in November. Stocked 3 times in 2022, usually on Thursdays, about every 258 days.
By month, all years
Year by year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | 1 | |||||||||||
| 2024 | 1 | |||||||||||
| 2023 | 1 | |||||||||||
| 2022 | 1 | 1 | 1 | |||||||||
| 2020 | 1 | |||||||||||
| 2018 | 1 | |||||||||||
| 2016 | 1 |
What is stocked
| Species | Stockings | Fish | Fish per stocking |
|---|---|---|---|
| Cutthroat trout | 9 | 147,672 | 16,408 |
| Kokanee | 1 | 20,000 | 20,000 |
Stocking history
20252 stockings · 35,558 fish
| Date | Species | Fish | Since previous | Hatchery |
|---|---|---|---|---|
Nov 14Latest Friday | Cutthroat trout | 15,558 194 lb | 54 weeks | Kendall Cr Hatchery |
Yearly total date not published | Kokanee | 20,000 13 lb | Moran State Pk Proj |
20241 stocking · 15,750 fish
| Date | Species | Fish | Since previous | Hatchery |
|---|---|---|---|---|
Nov 1 Friday | Cutthroat trout | 15,750 175 lb | 365 days | Kendall Cr Hatchery |
20231 stocking · 18,302 fish
| Date | Species | Fish | Since previous | Hatchery |
|---|---|---|---|---|
Nov 2 Thursday | Cutthroat trout | 18,302 226 lb | 351 days | Kendall Cr Hatchery |
20223 stockings · 45,162 fish
- Nov 16 cutthroat trout, 19,000 fish
- Mar 3 cutthroat trout, 2,662 fish
- Feb 10 cutthroat trout, 23,500 fish
20201 stocking · 14,000 fish
- Jan 23 cutthroat trout, 14,000 fish
20181 stocking · 20,000 fish
- Dec 19 cutthroat trout, 20,000 fish
20161 stocking · 18,900 fish
- Nov 2 cutthroat trout, 18,900 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 Mountain Lake?
San Juan County, Washington. Approximate: the marker is the USGS place-name point for this water, not an agency location.
Stocked waters near Mountain Lake
- Cascade Lakelake · 2 mistocked Apr 22, 2026
- Hummel Lakelake · 10 mistocked Mar 30, 2026
- Egg Lakelake · 14 mistocked Mar 30, 2026
- Lake Terrelllake · 15 mistocked Oct 21, 2026
- Heart Lakelake · 15 mistocked May 29, 2026
- Cedar Lakelake · 17 mistocked Jul 3, 2021
- Lake Paddenlake · 17 mistocked Apr 24, 2026
- Whistle Lakelake · 17 mistocked Nov 1, 2024
All stocked waters in San Juan CountyStocked this week in Washington
Questions about Mountain Lake
- When was Mountain Lake last stocked?
- The latest reported stocking was Nov 14, 2025 (cutthroat trout, 15,558 fish), according to Washington agency reports.
- How often is Mountain Lake stocked?
- Stocked 3 times in 2022, usually on Thursdays, about every 258 days. Across all years on record, most stockings come in November.
- Is Mountain Lake stocked often?
- The second most stocked of 4 waters in San Juan County. Stocked about as often as a typical Washington water on our record. We count each day the agency reported stocking it.
- What kind of trout are stocked in Mountain Lake?
- Cutthroat trout (9 stockings, 147,672 fish); Kokanee (1 stocking, 20,000 fish).