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


Log your catch and check out other catches from the community in the Fishbrain app.
Scan the QR code to download the app!
Loon Creek is a stream located in Custer County, Idaho, United States. It is also intersecting with Lemhi County, Idaho. It is most popular for fishing Brook trout, Mountain whitefish, and Cutthroat trout.
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 Brook trout as of April 25th, 2026. To view regulations for a different fish species, please click on your preferred species in the drop-down.
Seasons
Bag limit
Salvelinus fontinalis, brookie, coaster, speckled trout
29.7 miles away
63.7 miles away
65.3 miles away
68.9 miles away
69.2 miles away
70.3 miles away
75.1 miles away
76.5 miles away
78.6 miles away
80.1 miles away
82.8 miles away
86.5 miles away
91.1 miles away
94.6 miles away
99.5 miles away
100.4 miles away
100.8 miles away
101.7 miles away
102.0 miles away
106.2 miles away
107.3 miles away
113.2 miles away
113.3 miles away
116.7 miles away
Suggest changes to improve what we show.

Free trial available