TroutNearMe

Cattail Lake trout stocking

Gallatin County, Montana · lake · 4,640 ft elevation

Cattail Lake was last stocked 6 months ago (May 12, 2026). We have 2 stockings on record since May 13, 2025, 1 in the last 12 months (600 fish). Species stocked: rainbow trout.

Last stocked
6 months ago
May 12, 2026
Next planned
Not announced
Last 12 months
1 stocking
600 fish
On record
2 stockings
since May 13, 2025
  • Number 4 of 9 stocked waters in Gallatin County by stocking days.
  • Stocked about as often as a typical Montana water on our record.

River conditions

Nearest USGS gage: E Gallatin R ab Water Reclamation Fa nr Bozeman MT (1 km away, on a different stream or lake).

Flow
47 cfs
lower than usual for the last six weeks
Gage height
3.79 ft
3582130Sep 25Nov 8
Streamflow, last six weeks (cfs), daily. Latest: 49 cfs on Nov 8.

Latest reading Nov 9, 2026, 8:30 AM UTC. USGS data are provisional. Gage page at USGS.

Weather at Cattail Lake

  • This Afternoon
    61°F
    Mostly Cloudy
    1% rain · wind 7 to 10 mph
  • Tonight
    34°F
    Mostly Cloudy
    3% rain · wind 2 to 10 mph
  • Monday
    56°F
    Mostly Cloudy
    1% rain · wind 3 mph
  • Monday Night
    37°F
    Cloudy
    14% rain · wind 2 to 7 mph
  • Tuesday
    54°F
    Partly Sunny
    14% rain · wind 6 to 15 mph
  • Tuesday Night
    33°F
    Partly Cloudy
    wind 5 to 8 mph

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

What is stocked

SpeciesStockingsFishFish per stockingTypical size
Rainbow trout21,3006507.6 in

Stocking history

20261 stocking · 600 fish
DateSpeciesFishSizeSince previousHatchery
May 12Latest
Tuesday
Rainbow trout
600
7.6 in52 weeksGiant Springs Trout Hatchery
20251 stocking · 700 fish
DateSpeciesFishSizeSince previousHatchery
May 13
Tuesday
Rainbow trout
700
7.2 inGiant 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. Seasons and limits: Montana fishing regulations.

Where is Cattail Lake?

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

DirectionsLarger mapMontana fishing regulations

Stocked waters near Cattail Lake

All stocked waters in Gallatin CountyStocked this week in Montana

Questions about Cattail Lake

When was Cattail Lake last stocked?
The latest reported stocking was May 12, 2026 (rainbow trout, 600 fish), according to Montana agency reports.
How often is Cattail Lake stocked?
It was stocked once in the last 12 months.
Is Cattail Lake stocked often?
Number 4 of 9 stocked waters in Gallatin County by stocking days. Stocked about as often as a typical Montana water on our record. We count each day the agency reported stocking it.
What kind of trout are stocked in Cattail Lake?
Rainbow trout (2 stockings, 1,300 fish).