Fly Fishing in Idaho, Montana, and Yellowstone with Mike Lawson & Henry’s Fork Anglers. Experience the vast flyfishing opportunities of the Henry’s Fork Region. We guide on the waters of the Henry’s Fork and South Fork of the Snae River in Idaho, Yellowstone Park the Madison River, Hebgan Lake and other waters in Montana. We have some of the most experienced Guides in the Rocky Mountains. Rich History and Continued Excellence!!!