TroutNearMe

Harpers Lake trout stocking

Montana · lake

Harpers Lake was last stocked 3 months ago (Jun 30, 2026). We have 36 stockings on record since Apr 2, 2025, 18 in the last 12 months (4,600 fish). Most stockings come in April, June to July and November. Species stocked: rainbow trout, westslope cutthroat trout.

Last stocked
3 months ago
Jun 30, 2026
Next planned
Not announced
Last 12 months
18 stockings
4,600 fish
On record
36 stockings
since Apr 2, 2025

Weather at Harpers Lake

  • Tonight
    41°F
    Mostly Clear
    wind 1 mph
  • Friday
    82°F
    Mostly Sunny
    1% rain · wind 2 to 21 mph
  • Friday Night
    33°F
    Slight Chance Light Rain then Mostly Cloudy
    15% rain · wind 7 to 14 mph
  • Saturday
    61°F
    Mostly Sunny
    2% rain · wind 6 to 9 mph
  • Saturday Night
    29°F
    Partly Cloudy
    1% rain · wind 0 to 6 mph
  • Sunday
    67°F
    Mostly Cloudy
    2% rain · wind 1 mph

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

When is Harpers Lake stocked?

Most stockings come in April, June to July and November. Stocked 9 times in 2026, mostly in June, about every 11 days.

By month, all years

Jan: 0 stockingsJanFeb: 0 stockingsFebMar: 2 stockings2MarApr: 5 stockings5AprMay: 1 stockings1MayJun: 6 stockings6JunJul: 5 stockings5JulAug: 0 stockingsAugSep: 0 stockingsSepOct: 2 stockings2OctNov: 4 stockings4NovDec: 3 stockings3Dec
Stockings of Harpers Lake by month, all years on record. This month is shown in blue.

Year by year

JanFebMarAprMayJunJulAugSepOctNovDec
2026234
20252125243

What is stocked

SpeciesStockingsFishFish per stockingTypical size
Rainbow trout348,24124216.3 in
Westslope cutthroat trout21,00050012.6 in

Stocking history

DateSpeciesFishPoundsHatchery
Jun 30, 2026Rainbow trout1,008Jocko River Trout Hatchery
Jun 19, 2026Rainbow trout520Jocko River Trout Hatchery
Jun 12, 2026Westslope cutthroat trout500Washoe Park Trout Hatchery
Jun 9, 2026Rainbow trout660Jocko River Trout Hatchery
Apr 28, 2026Rainbow trout201Jocko River Trout Hatchery
Apr 27, 2026Rainbow trout200Jocko River Trout Hatchery
Apr 17, 2026Rainbow trout200Jocko River Trout Hatchery
Mar 23, 2026Rainbow trout50Jocko River Trout Hatchery
Mar 11, 2026Rainbow trout45Jocko River Trout Hatchery
Dec 11, 2025Rainbow trout99Jocko River Trout Hatchery
Dec 8, 2025Rainbow trout46Jocko River Trout Hatchery
Dec 8, 2025Rainbow trout22Jocko River Trout Hatchery
Dec 8, 2025Rainbow trout42Jocko River Trout Hatchery
Dec 1, 2025Rainbow trout45Jocko River Trout Hatchery
Nov 25, 2025Rainbow trout46Jocko River Trout Hatchery
Nov 25, 2025Rainbow trout12Jocko River Trout Hatchery
Nov 10, 2025Rainbow trout75Jocko River Trout Hatchery
Nov 7, 2025Rainbow trout75Jocko River Trout Hatchery
Nov 6, 2025Rainbow trout75Jocko River Trout Hatchery
Oct 30, 2025Rainbow trout21Jocko River Trout Hatchery
Show 16 older stockings
DateSpeciesFishPoundsHatchery
Oct 30, 2025Rainbow trout36Jocko River Trout Hatchery
Oct 27, 2025Rainbow trout316Jocko River Trout Hatchery
Oct 27, 2025Rainbow trout306Jocko River Trout Hatchery
Jul 10, 2025Rainbow trout53Jocko River Trout Hatchery
Jul 10, 2025Rainbow trout170Jocko River Trout Hatchery
Jul 9, 2025Rainbow trout127Jocko River Trout Hatchery
Jul 9, 2025Rainbow trout191Jocko River Trout Hatchery
Jul 8, 2025Rainbow trout1,022Jocko River Trout Hatchery
Jul 2, 2025Rainbow trout1,067Jocko River Trout Hatchery
Jul 1, 2025Westslope cutthroat trout500Washoe Park Trout Hatchery
Jun 17, 2025Rainbow trout159Jocko River Trout Hatchery
Jun 4, 2025Rainbow trout360Jocko River Trout Hatchery
Jun 4, 2025Rainbow trout77Jocko River Trout Hatchery
May 27, 2025Rainbow trout654Jocko River Trout Hatchery
Apr 10, 2025Rainbow trout223Jocko River Trout Hatchery
Apr 2, 2025Rainbow trout38Jocko River Trout Hatchery

From Montana 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.

Where is Harpers Lake?

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

DirectionsLarger map

Stocked waters near Harpers Lake

Stocked this week in Montana

Questions about Harpers Lake

When was Harpers Lake last stocked?
The latest reported stocking was Jun 30, 2026 (rainbow trout, 1,008 fish), according to Montana agency reports.
How often is Harpers Lake stocked?
Stocked 9 times in 2026, mostly in June, about every 11 days. Across all years on record, most stockings come in April, June to July and November.
What kind of trout are stocked in Harpers Lake?
Rainbow trout (34 stockings, 8,241 fish); Westslope cutthroat trout (2 stockings, 1,000 fish).