Pins use the finest location published with the stocking record. County-level pins show area context, not an exact access point; confirm access and directions with the official agency source.
Agency records
Full stocking history
Date
Species
Fish
Size
Hatchery
August 27, 2025
Arctic Grayling
2,806
1.54 in avg
Yellowstone River Trout Hatchery
July 15, 2024
Arctic Grayling
8,025
0.56 in avg
Yellowstone River Trout Hatchery
Records shown exactly as published by Montana Fish, Wildlife & Parks. An event missing here does not mean the
water was not stocked - some plants go unreported or are published elsewhere.