
Check which species have trophy potential in Third Fork Rock Creek
Scan the QR code to download the app!


Continue browsing catches and catch locations in the Fishbrain app
Scan the QR code to download the app!
Third Fork Rock Creek is a stream located in Cassia County, Idaho, United States. It is most popular for fishing Brown trout, Rainbow trout, and Great basin redband trout.
Learn what time of year and day to go fishing at Third Fork Rock Creek. Download Fishbrain today to look for new fishing spots, scout new fishing access, or prep for your next trip.

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 Idaho 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 Brown trout as of April 2nd, 2026. To view regulations for a different fish species, please click on your preferred species in the drop-down.
Seasons
Bag limit
Aggregate
Trout includes Brown Trout, Lake Trout, Golden Trout, Arctic Grayling, Cutthroat Trout, Rainbow Trout, land-locked Chinook and Coho Salmon, trout hybrids (e.g. Tiger Trout)
• Trout limit is 6, all species combined
• In rivers and streams, only 2 of the 6 trout may be Cutthroat Trout
Does not include Bull Trout and Brook Trout which are listed separately.
For more information please see https://idfg.idaho.gov/rules/fish
Salmo trutta
1 ratings
27.9 miles away
33.0 miles away
38.7 miles away
91.2 miles away
98.3 miles away
101.9 miles away
103.7 miles away
110.5 miles away
118.5 miles away
122.5 miles away
122.6 miles away
122.7 miles away
126.5 miles away
127.2 miles away
128.4 miles away
139.8 miles away
141.0 miles away
143.0 miles away
143.9 miles away
145.7 miles away
146.5 miles away
151.2 miles away
151.7 miles away
158.1 miles away
Suggest changes to improve what we show.

Free trial available