Salmonfly Season!

The salmonfly hatch is one of the most spectacular events in fly fishing. Die-hard anglers follow the hatch from river to river across Idaho and Montana, chasing the peak moments of this legendary emergence.

With its moderate elevation and stable flows, the Henry’s Fork is often the first stop on this annual pilgrimage. The timing couldn’t be better—Opening Day of Idaho’s general trout season (May 25, 2025) aligns perfectly with the peak of the hatch. Henry’s Fork Lodge opens just in time, on Friday, May 24.

Guides and anglers alike eagerly await the moment when these big bugs start crawling to the banks, triggering aggressive takes from large rainbows and browns. Your guide will position the boat just off the bank as you cast a #6 dry fly, letting it drift into prime ambush zones. Strikes can range from subtle gulps to explosive surface attacks.

The salmonfly hatch is just the beginning—golden stoneflies follow closely behind, extending the window for epic dry fly action. With fewer anglers on the river in late May, this is prime time for big fish on big dries. The lower Henry’s Fork, just above and below Ashton, is where the action happens, and local guides will have their finger on the pulse of the hatch.

If you want to experience some of the best dry fly fishing of the year—and possibly land a career fish—now’s the time to book. Give us a call to reserve your spot at Henry’s Fork Lodge and get ready for the thrill of casting to trophy trout.