Triangle Lake trout stocking

Montana · lake

Triangle Lake was last stocked 14 months ago (Aug 5, 2025). We have 1 stocking on record since Aug 5, 2025. Species stocked: yellowstone cutthroat trout.

Weather at Triangle Lake

• Tonight
  37°F
  Mostly Clear
  wind 10 mph
• Friday
  54°F
  Mostly Sunny
  wind 10 to 24 mph
• Friday Night
  35°F
  Mostly Cloudy
  wind 18 to 30 mph
• Saturday
  49°F
  Sunny
  wind 18 to 35 mph
• Saturday Night
  33°F
  Partly Cloudy
  8% rain · wind 9 to 28 mph
• Sunday
  49°F
  Showers And Thunderstorms Likely
  57% rain · wind 10 to 20 mph

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

What is stocked

Stocking history

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 Triangle 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 Triangle Lake

• Glacier Lake (; Emerald Lake)lake · 1 mistocked Aug 4, 2025
• Albino Lakelake · 1 mistocked Aug 5, 2025
• Golden Lakelake · 2 mistocked Aug 5, 2025
• Black Canyon Lakelake · 4 mistocked Aug 5, 2025
• Sundance Lakelake · 7 mistocked Aug 5, 2025
• Greenough Lakelake · 7 mistocked Aug 25, 2026
• Kookoo Lakelake · 8 mistocked Aug 5, 2025
• Big Butte Lakelake · 8 mistocked Oct 7, 2025

Stocked this week in Montana

Questions about Triangle Lake

When was Triangle Lake last stocked?

The latest reported stocking was Aug 5, 2025 (yellowstone cutthroat trout, 790 fish), according to Montana agency reports.

What kind of trout are stocked in Triangle Lake?

Yellowstone cutthroat trout (1 stocking, 790 fish).