Home/ Idaho/ Butte, Custer County/ Big Lost River
Stocked last season

Big Lost River Fish Stocking

Butte, Custer County, Idaho · 2023 to 2026 on record

According to IDFG records, Big Lost River has 15 stocking records on file across 3 species. The most recent stocking season represented is 2026.

Big Lost River stocking
Big Lost River photo
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15
Stocking records
18,901
Fish reported stocked
3
Species
2026
Latest season

Stocking activity by season

4 seasons on record, most in the 2023 (10 records). Click a bar to jump to that season below.

1 records
2026 · 800 fish
2023
2024
2025
2026

Stocking records per season (labelled by the season's end year). Idaho's source reports by season, so records aren't broken out by month.

Most-stocked species

Rainbow Trout - Triploid 9 records
Rainbow Trout 4 records
Cutthroat Trout - Yellowstone 2 records

Location

Exact coordinates not yet available · Butte, Custer County

Map not available yet
We don't have coordinates for this water on file.

Stocking history

Values shown exactly as the agency reported them; species names are normalized for search.

SpeciesFish stockedSizePhase
Cutthroat Trout - Yellowstone 800 Catchable (6+ inches) —

A stocking record does not guarantee fish remain present or may legally be harvested. Check current Idaho fishing regulations →

Quick facts

Latest season 2026
Most stocked Rainbow Trout - Triploid
Species Rainbow Trout - Triploid, Rainbow Trout, Cutthroat Trout - Yellowstone
County Butte, Custer
Seasons on record 2023 – 2026
Fish reported 18,901
Coordinates —

Data source

Compiled from public records published by the Idaho Department of Fish and Game. StockedSpots is independent and not affiliated with or endorsed by IDFG.

Source: Idaho Department of Fish and Game (IDFG). Data last checked September 1, 2026.
View IDFG source →

Frequently asked questions

IDFG records show Big Lost River stocked with Rainbow Trout - Triploid, Rainbow Trout, Cutthroat Trout - Yellowstone.

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