What are the odds in the Middle Fork of the Salmon permit lottery?
With the Four Rivers application window closing at the end of January, applicants want a clear-eyed view of the Middle Fork math.
1 Answer✓ Answered
About 1.8 percent. In 2025, nearly 19,800 applications competed for 351 launch permits, and 2024 ran essentially the same (roughly 20,000 applications for 361 launches). The Middle Fork is a sub-2-percent draw year after year, second only to the Selway among the Four Rivers.
Mechanics: applications for the control season (late May through early September) are accepted December 1 through January 31 through the Four Rivers lottery on Recreation.gov. Each application allows four date choices on one river, so spreading those choices matters.
What actually helps: apply outside late June and July. The peak-flow prime weeks carry the longest odds, while early-season May launches and August-September launches draw fewer applications, with real trade-offs in water level and cold. Applying every single year is the other honest strategy; at these odds, the lottery rewards persistence over cleverness.
The path most successful private groups eventually use is cancellations. Winners cancel launches throughout the spring and summer as groups fall apart, and those launches are re-released on Recreation.gov. A cancelled Middle Fork launch is one of the most fleeting reservations in the outdoor world, so having automated watching on it beats manual checking by a wide margin. Commercial trips remain the no-lottery alternative, since outfitters hold separate allocations.
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