Before you fish
Fishing rules, water conditions, and access change without notice. State fish-and-game agencies update regulations annually — sometimes mid-season for emergency closures. Real-time flow, water temperature, and stocking data are pulled from USGS, NOAA, and state agencies on a delay. Outdoors is not the regulating authority. Confirm current regulations with the state agency, check flow on the USGS gauge, and verify access if a section flows through private land. You are responsible for compliance.
Official sources & verification
Managed by Montana Fish, Wildlife & Parks
Source of truth
- Agency source page
Page our published depth, area, and fishery data are derived from.
Managing agency
- MT fishing regulations & licenses
Current state regulations, season dates, and licensing requirements.
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