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Nilan Reservoir trout stocking

Montana · lake

Nilan Reservoir was last stocked 4 months ago (May 26, 2026). We have 3 stockings on record since Jun 5, 2025, 1 in the last 12 months (40,000 fish). Species stocked: rainbow trout.

Last stocked
4 months ago
May 26, 2026
Next planned
Not announced
Last 12 months
1 stocking
40,000 fish
On record
3 stockings
since Jun 5, 2025

Weather at Nilan Reservoir

  • Tonight
    56°F
    Mostly Clear
    wind 7 mph
  • Friday
    81°F
    Sunny
    wind 6 to 20 mph
  • Friday Night
    43°F
    Slight Chance Showers And Thunderstorms then Partly Cloudy
    16% rain · wind 12 to 25 mph
  • Saturday
    60°F
    Mostly Sunny
    wind 9 to 15 mph
  • Saturday Night
    39°F
    Mostly Cloudy
    1% rain · wind 1 to 8 mph
  • Sunday
    62°F
    Mostly Cloudy
    wind 0 to 5 mph

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

When is Nilan Reservoir stocked?

Stockings are spread across the year.

By month, all years

Jan: 0 stockingsJanFeb: 0 stockingsFebMar: 0 stockingsMarApr: 0 stockingsAprMay: 1 stockings1MayJun: 1 stockings1JunJul: 0 stockingsJulAug: 0 stockingsAugSep: 0 stockingsSepOct: 0 stockingsOctNov: 0 stockingsNovDec: 0 stockingsDec
Stockings of Nilan Reservoir by month, all years on record. This month is shown in blue.

Year by year

JanFebMarAprMayJunJulAugSepOctNovDec
20261
20251

What is stocked

SpeciesStockingsFishFish per stockingTypical size
Rainbow trout380,00026,6673.4 in

Stocking history

DateSpeciesFishPoundsHatchery
May 26, 2026Rainbow trout40,000Giant Springs Trout Hatchery
Jun 5, 2025Rainbow trout20,000Giant Springs Trout Hatchery
Jun 5, 2025Rainbow trout20,000Giant Springs 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 Nilan Reservoir?

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

DirectionsLarger map

Stocked waters near Nilan Reservoir

Stocked this week in Montana

Questions about Nilan Reservoir

When was Nilan Reservoir last stocked?
The latest reported stocking was May 26, 2026 (rainbow trout, 40,000 fish), according to Montana agency reports.
How often is Nilan Reservoir stocked?
It was stocked 1 times in the last 12 months.
What kind of trout are stocked in Nilan Reservoir?
Rainbow trout (3 stockings, 80,000 fish).
Nilan Reservoir Trout Stocking (MT) | TroutNearMe