California offers excellent trout fishing, with cold, clear waters home to rainbow, brown, and cutthroat trout. Rivers and lakes across California provide year-round opportunities for anglers seeking trophy-sized catches.
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Regulations for Trout in California
Disclaimer: Always check local fishing regulations, water access rights and land ownership before fishing, regardless of any catches logged in that area by the Fishbrain community. Fishbrain has mapped millions of acres of government-owned land across the USA to help you identify potential fishing access, but you are responsible for ensuring compliance with all legal requirements.
Fishing regulations in California can change throughout the year. Make sure to check this page before fishing for the most up to date rules and regulations for the current season. Local regulations govern when you can fish, the max size of the fish you can keep, how many fish you can keep, and more.
Below you will see fishing regulations for catching Rainbow trout as of May 17th, 2026. To view regulations for a different fish species, please click on your preferred species in the drop-down.
Rainbow trout
Seasons
Open
Bag limit
3
Bag limit = 3 trout, except the take of steelhead rainbow trout in the ocean is prohibited.
Trout must voluntarily take the bait or lure in its mouth.
These species can be found in many coastal waters, lakes throughout the area. If you are targeting a specific species, you can use the to filter catches by species and see where anglers are catching them and which baits they are using.
The allows anglers to see exact catch locations shared by other members, helping you discover productive fishing spots where Trout have recently been caught.