
Check which species have trophy potential in The Preserve
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The Preserve is a water located in Ada County, Idaho, United States. It is most popular for fishing Largemouth bass, Channel catfish, and Black bullhead.
Learn what time of year and day to go fishing at The Preserve. 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 Largemouth bass as of April 21st, 2026. To view regulations for a different fish species, please click on your preferred species in the drop-down.
Seasons
Bag limit
Min size
Measurement
Aggregate
Micropterus nigricans
2.7 miles away
6.1 miles away
8.2 miles away
10.0 miles away
10.4 miles away
11.8 miles away
12.2 miles away
12.3 miles away
14.6 miles away
17.4 miles away
18.8 miles away
18.9 miles away
20.4 miles away
21.8 miles away
23.0 miles away
24.0 miles away
26.2 miles away
26.5 miles away
27.2 miles away
31.0 miles away
31.1 miles away
32.3 miles away
35.3 miles away
35.6 miles away
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