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Idaho record book

Biggest Mountain Whitefish in Idaho

Every entry below is a verified catch: measurement photo on a board, reviewed by a real person. The longest mountain whitefish in Idaho holds the state crown until someone beats it.

1 verified catch1 waterHolds the USA recordIdaho regulations ↗
10.5″ Mountain Whitefish
Idaho Mountain Whitefish RecordVerified Catch

Mountain Whitefish

@hannaPro · Island Park Reservoir

Jul 16, 2025

10.5″

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Top verified mountain whitefish in Idaho

1
Mountain Whitefish
@hannaPro · Island Park Reservoir · Jul 16, 2025
Bait Intel · Pro
10.5″

Where the records are set

Island Park Reservoir

1 verified catch

10.5″

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Anglers must hold a valid fishing license for the state they're fishing. Always follow your local fishing rules and regulations. Handle fish with speed and care: wet hands, minimal air time, quick release.

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