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Mountain Lake Fish Stocking

San Juan County, Washington · 2005–2025 on record

Source: Washington fish & wildlife agency· updated 2025-11-14

According to Washington fish & wildlife agency, Mountain Lake was last stocked November 14, 2025 with Cutthroat Trout. Mountain Lake has 30 stocking records on file, spanning 2005–2025, with about 336,125 fish stocked over that period.

November 14, 2025
Last stocked
336,125
Fish stocked
3
Species
30
Stocking records

When Mountain Lake is stocked

Mountain Lake is typically stocked in spring, most often in May — 12 stocking events in that peak month.

How Mountain Lake's stockings spread across the calendar year.

Nearby stocked waters

Other stocked waters near Mountain Lake, freshest activity first.

Cascade Lake

2 mi

San Juan County · 3 species · 124 records

Last stocked April 2026

Schell Creek

14 mi

Whatcom County · 2 species · 10 records

Last stocked March 2026

Hummel Lake

10 mi

San Juan County · 2 species · 38 records

Last stocked March 2026

Egg Lake

14 mi

San Juan County · 1 species · 32 records

Last stocked March 2026

Lake Terrell

15 mi

Whatcom County · 4 species · 90 records

Last stocked March 2026

Nooksack River

13 mi

Whatcom County · 3 species · 8 records

Last stocked March 2026

Stocking history

Most recent stockings first. Dates shown at the precision the agency reported.

DateSpeciesNumberSource
November 14, 2025Cutthroat Trout15,558Washington fish & wildlife agency
June 1, 2025Kokanee20,000Washington fish & wildlife agency
November 1, 2024Cutthroat Trout15,750Washington fish & wildlife agency
November 2, 2023Cutthroat Trout18,302Washington fish & wildlife agency
November 16, 2022Cutthroat Trout19,000Washington fish & wildlife agency
March 3, 2022Cutthroat Trout2,662Washington fish & wildlife agency
February 10, 2022Cutthroat Trout23,500Washington fish & wildlife agency
January 23, 2020Cutthroat Trout14,000Washington fish & wildlife agency
Show 22 more stocking records →
DateSpeciesNumberSource
December 19, 2018Cutthroat Trout20,000Washington fish & wildlife agency
November 2, 2016Cutthroat Trout18,900Washington fish & wildlife agency
April 19, 2016Cutthroat Trout18,900Washington fish & wildlife agency
November 19, 2014Cutthroat Trout18,900Washington fish & wildlife agency
June 9, 2014Rainbow Trout463Washington fish & wildlife agency
October 10, 2013Cutthroat Trout18,900Washington fish & wildlife agency
October 9, 2012Cutthroat Trout18,900Washington fish & wildlife agency
May 31, 2012Rainbow Trout463Washington fish & wildlife agency
December 13, 2011Cutthroat Trout10,000Washington fish & wildlife agency
May 13, 2011Rainbow Trout447Washington fish & wildlife agency
June 24, 2010Cutthroat Trout7,575Washington fish & wildlife agency
April 26, 2010Rainbow Trout470Washington fish & wildlife agency
May 27, 2009Cutthroat Trout10,000Washington fish & wildlife agency
May 11, 2009Rainbow Trout452Washington fish & wildlife agency
May 30, 2008Cutthroat Trout20,000Washington fish & wildlife agency
May 5, 2008Rainbow Trout449Washington fish & wildlife agency
May 18, 2007Cutthroat Trout10,000Washington fish & wildlife agency
May 14, 2007Rainbow Trout949Washington fish & wildlife agency
May 29, 2006Cutthroat Trout15,000Washington fish & wildlife agency
May 15, 2006Rainbow Trout785Washington fish & wildlife agency
May 24, 2005Cutthroat Trout15,000Washington fish & wildlife agency
May 16, 2005Rainbow Trout800Washington fish & wildlife agency

The reporting agency did not include fish sizes for this water.

Frequently asked

When was Mountain Lake last stocked?

According to Washington fish & wildlife agency, Mountain Lake was last stocked November 14, 2025 with Cutthroat Trout.

What fish species are stocked in Mountain Lake?

Mountain Lake is stocked with Cutthroat Trout, Kokanee, and Rainbow Trout.

What time of year is Mountain Lake stocked?

Mountain Lake is typically stocked in spring, most often in May.

How often is Mountain Lake stocked?

Mountain Lake has been stocked about 1 times a year — 30 recorded stockings between 2005 and 2025.

How many fish have been stocked in Mountain Lake?

About 336,125 fish have been stocked in Mountain Lake across 30 recorded events since 2005, per Washington fish & wildlife agency.

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How this is calculated: compiled automatically from Washington fish & wildlife agency open data — normalized, date-validated, and shown only at the precision the agency reported. Sources & methodology →

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