The South Fork starts off with nymph fishing inside the early May perhaps, then transitions to dry fly fishing by the tip of June and thru Oct. Fall delivers terrific dry fly and streamer fishing, significantly less crowds, perfect temperatures. The Lyons Ferry section of the Snake River is https://snakeriverfishingwashingt67766.eedblog.com/33339107/snake-river-steelhead-fishing-report-an-overview