When was Olson Lake last stocked?

The latest reported stocking was in 2025 (rainbow trout, 1,500 fish), according to Minnesota agency reports.

Is Olson Lake stocked often?

Tied for the most stocked water in Cook County (9 stocking days on record). Stocked about as often as a typical Minnesota water on our record. We count each day the agency reported stocking it.

What kind of trout are stocked in Olson Lake?

Rainbow trout (9 stockings, 14,511 fish).

Olson Lake trout stocking

Cook County, Minnesota · lake · 1,778 ft elevation

Olson Lake was last stocked in 2025; Minnesota publishes yearly totals rather than dates. We have 9 stockings on record since 2017. Species stocked: rainbow trout.

Last stocked

2025

yearly total, no date published

Next planned

Not announced

Last 12 months

0 stockings

On record

9 stockings

since 2017

Tied for the most stocked water in Cook County (9 stocking days on record).
Stocked about as often as a typical Minnesota water on our record.

Weather at Olson Lake

Tonight
48°F
Cloudy then Slight Chance Rain Showers
19% rain · wind 0 mph
Tuesday
63°F
Patchy Fog
76% rain · wind 5 to 10 mph
Tuesday Night
53°F
Areas Of Fog
68% rain · wind 0 to 10 mph
Wednesday
69°F
Patchy Fog then Partly Sunny
5% rain · wind 0 to 5 mph
Wednesday Night
46°F
Mostly Cloudy
2% rain · wind 0 to 10 mph
Thursday
60°F
Mostly Sunny
1% rain · wind 10 mph

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

What is stocked

Species	Stockings	Fish	Fish per stocking
Rainbow trout	9	14,511	1,612

Stocking history

20251 stocking · 1,500 fish

Date	Species	Fish
Yearly totalLatest date not published	Rainbow trout	1,500 120 lb

20241 stocking · 1,500 fish

Date	Species	Fish
Yearly total date not published	Rainbow trout	1,500 150 lb

20231 stocking · 1,500 fish

Date	Species	Fish
Yearly total date not published	Rainbow trout	1,500 115 lb

20221 stocking · 1,500 fish

Yearly total rainbow trout, 1,500 fish

20211 stocking · 1,500 fish

Yearly total rainbow trout, 1,500 fish

20201 stocking · 1,511 fish

Yearly total rainbow trout, 1,511 fish

20191 stocking · 1,500 fish

Yearly total rainbow trout, 1,500 fish

20181 stocking · 2,500 fish

Yearly total rainbow trout, 2,500 fish

20171 stocking · 1,500 fish

Yearly total rainbow trout, 1,500 fish

From Minnesota 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: Minnesota fishing regulations.

Where is Olson Lake?

Cook County, Minnesota. The marker is the agency's location for this water; streams are often stocked at several access points.

Directions Larger map Minnesota fishing regulations

Stocked waters near Olson Lake

Thompson Lakelake · 2 mi14 on record
Bath Lakelake · 2 mi7 on record
Thrasher Lakelake · 3 mi7 on record
Thrush Lakelake · 3 mi5 on record
Pine Lakelake · 3 mi14 on record
Talus Lakelake · 3 mi9 on record
Musquash Lakelake · 6 mi6 on record
Ram Lakelake · 7 mi4 on record

All stocked waters in Cook County Stocked this week in Minnesota

Questions about Olson Lake

When was Olson Lake last stocked?: The latest reported stocking was in 2025 (rainbow trout, 1,500 fish), according to Minnesota agency reports.
Is Olson Lake stocked often?: Tied for the most stocked water in Cook County (9 stocking days on record). Stocked about as often as a typical Minnesota water on our record. We count each day the agency reported stocking it.
What kind of trout are stocked in Olson Lake?: Rainbow trout (9 stockings, 14,511 fish).

Stocking data from the Minnesota DNR's LakeFinder stocking reports for its designated stream trout lakes, which give yearly totals without stocking dates. We will correct or remove it on request.