Deep Creek (Upper Missouri Drainage) Fishing Report

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Last Updated: December 4, 2025

Deep Creek is a tributary of the Upper Missouri River in Montana that provides excellent fishing opportunities for rainbow and brown trout.


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Summary

The area also offers nearby activities such as hiking, camping, and birdwatching. Fishing tips include using dry flies in the summer months and nymphs in the spring and fall. The best time of year to visit is from late May to early October when temperatures average between 50-80 degrees Fahrenheit. Overall, Deep Creek is a great destination for fishing enthusiasts and outdoor adventurers alike.

       

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Angling Safety Guidelines

Know the Regulations
Check local fishing rules, seasons, size limits, and license requirements to ensure legal and sustainable angling.
Handle Fish Responsibly
Use wet hands, minimize air exposure, and release fish gently to improve survival rates when practicing catch-and-release.
Choose the Right Gear
Match your rod, line, and tackle to the species and conditions to increase success and reduce unnecessary harm to fish.
Respect the Waterway
Avoid disturbing habitat, prevent bank erosion, and keep a safe distance from spawning areas to protect ecosystems.
Keep It Clean
Pack out all line, hooks, bait containers, and trash—discarded gear can injure wildlife and degrade waterways.

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