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Pillar Falls is a stream located in Twin Falls County, Idaho, United States. It is also intersecting with Jerome County, Idaho. It is most popular for fishing Smallmouth bass, White sturgeon, and Northern pikeminnow.
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 Smallmouth bass as of April 13th, 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 dolomieui
3 ratings
2.8 miles away
9.3 miles away
32.7 miles away
63.6 miles away
74.0 miles away
101.5 miles away
102.4 miles away
113.3 miles away
114.2 miles away
116.8 miles away
118.1 miles away
121.3 miles away
125.4 miles away
127.3 miles away
129.9 miles away
133.6 miles away
135.6 miles away
138.8 miles away
139.7 miles away
141.9 miles away
143.3 miles away
143.9 miles away
145.2 miles away
145.8 miles away
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