TroutNearMe

Grotto Lake trout stocking

King County, Washington · lake · about 3,808 ft elevation

Grotto Lake was last stocked 24 months ago (Oct 12, 2024). We have 2 stockings on record since Aug 23, 2019. Species stocked: rainbow trout.

Last stocked
24 months ago
Oct 12, 2024
Next planned
Not announced
Last 12 months
0 stockings
On record
2 stockings
since Aug 23, 2019
  • Number 94 of 194 stocked waters in King County by stocking days.
  • Stocked less often than most Washington waters on our record.

River conditions

Nearest USGS gage: SOUTH FORK SKYKOMISH RIVER AT SKYKOMISH, WA (7 km away, on a different stream or lake).

Flow
215 cfs
about normal for the last six weeks
Gage height
17.15 ft
154266378Aug 15Sep 27
Streamflow, last six weeks (cfs), daily. Latest: 244 cfs on Sep 27.

Latest reading Sep 29, 2026, 1:00 AM UTC. USGS data are provisional. Gage page at USGS.

Weather at Grotto Lake

  • Tonight
    45°F
    Rain
    86% rain · wind 8 mph
  • Tuesday
    48°F
    Rain
    100% rain · wind 5 to 9 mph
  • Tuesday Night
    40°F
    Rain then Mostly Cloudy
    81% rain · wind 3 to 13 mph
  • Wednesday
    53°F
    Mostly Sunny
    3% rain · wind 1 to 5 mph
  • Wednesday Night
    43°F
    Partly Cloudy
    10% rain · wind 3 to 9 mph
  • Thursday
    56°F
    Slight Chance Light Rain
    19% rain · wind 2 to 7 mph

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

What is stocked

SpeciesStockingsFishFish per stocking
Rainbow trout2240120

Stocking history

20241 stocking · 120 fish
DateSpeciesFishSince previousHatchery
Oct 12Latest
Saturday
Rainbow trout
120
1877 daysTokul Cr Hatchery
20191 stocking · 120 fish
DateSpeciesFishSince previousHatchery
Aug 23
Friday
Rainbow trout
120
Tokul Cr Hatchery

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 Grotto Lake?

King 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 Grotto Lake

All stocked waters in King CountyStocked this week in Washington

Questions about Grotto Lake

When was Grotto Lake last stocked?
The latest reported stocking was Oct 12, 2024 (rainbow trout, 120 fish), according to Washington agency reports.
Is Grotto Lake stocked often?
Number 94 of 194 stocked waters in King County by stocking days. Stocked less often than most Washington waters on our record. We count each day the agency reported stocking it.
What kind of trout are stocked in Grotto Lake?
Rainbow trout (2 stockings, 240 fish).