Fourth Lake - Rmnp Fishing Report

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Last Updated: December 4, 2025

The Fourth Lake in Rocky Mountain National Park is a popular fishing spot for anglers.


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Summary

The lake is stocked with brook and rainbow trout, making them the predominant fish species in the area. Nearby activities include hiking, camping, and wildlife watching. Fishing tips include using flies or lures that imitate insects or small baitfish, and fishing early or late in the day for better chances of catching fish. The best time to visit is during the summer months when the average temperature is around 60-70°F.

       

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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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