Diamond Valley Lake Fishing Report

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Last Updated: December 5, 2025

Diamond Valley Lake is a popular fishing spot in Southern California, with a variety of fish species available including largemouth and smallmouth bass, rainbow trout, bluegill, and catfish.


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Summary

Nearby activities include hiking, biking, and picnicking. Fishing tips include using live bait or lures to catch bass and trout, and fishing in deeper water for catfish. The best time of year to visit is in the spring and fall when temperatures are mild, with average temperatures ranging from the mid-60s to mid-80s Fahrenheit.

       

Weather Forecast

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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