Rock Lake trout stocking

Montana · lake

Rock Lake was last stocked 16 months ago (May 21, 2025). We have 1 stocking on record since May 21, 2025. Species stocked: rainbow trout.

Weather at Rock Lake

• Tonight
  51°F
  Mostly Cloudy
  1% rain · wind 5 mph
• Friday
  69°F
  Mostly Cloudy then Chance Light Rain
  28% rain · wind 5 to 14 mph
• Friday Night
  42°F
  Chance Light Rain
  32% rain · wind 6 to 9 mph
• Saturday
  57°F
  Partly Sunny
  6% rain · wind 8 mph
• Saturday Night
  35°F
  Partly Cloudy
  wind 0 to 5 mph
• Sunday
  62°F
  Partly Sunny
  wind 1 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 Rock 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 Rock Lake

• Swisher Lakelake · 3 mistocked May 8, 2026
• Tetrault Lake (; Carpenter Lake)lake · 4 mistocked May 6, 2026
• Sylvia Lakelake · 10 mistocked Aug 8, 2025
• Mcgregor Lakelake · 15 mistocked May 19, 2026
• Little Mcgregor Lakelake · 15 mistocked Jun 8, 2026
• Middle Thompson Lakelake · 15 mistocked Jun 20, 2025
• Lower Thompson Lakelake · 15 mistocked Jun 23, 2026
• Sunrise Lakelake · 25 mistocked Jun 25, 2025

Stocked this week in Montana

Questions about Rock Lake

When was Rock Lake last stocked?

The latest reported stocking was May 21, 2025 (rainbow trout, 3,606 fish), according to Montana agency reports.

What kind of trout are stocked in Rock Lake?

Rainbow trout (1 stocking, 3,606 fish).