
Check which species have trophy potential in South Branch Rexburg Canal
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length · weight
length · weight
90 in · 250 lb


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South Branch Rexburg Canal is a canal located in Madison County, Idaho, United States. It is most popular for fishing Mountain whitefish and Largemouth bass.
Learn what time of year and day to go fishing at South Branch Rexburg Canal. 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 Mountain whitefish 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
Coregonus, Prosopium
1.4 miles away
24.0 miles away
24.8 miles away
50.2 miles away
56.1 miles away
69.1 miles away
72.5 miles away
126.5 miles away
133.1 miles away
134.9 miles away
136.0 miles away
139.9 miles away
140.1 miles away
142.6 miles away
145.4 miles away
150.9 miles away
155.8 miles away
159.1 miles away
159.4 miles away
172.3 miles away
177.8 miles away
178.1 miles away
179.8 miles away
180.8 miles away
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