No outfitter knows Idaho's waterways better than Row Adventures, which brings 29 years of luxury rafting experience to a new menu of fly fishing trips. Guests cast in hidden eddies, while guides carry the heavy gear: tents, cooking supplies, and enough portable plumbing for hot showers all around. Environmental scientist Peter Metcalf shares his in-depth knowledge on trips down the Middle Fork of the Salmon River, in Idaho. t+l trip pick Middle Fork of the Salmon Rafting. Descend 3,000 feet aboard a raft along the 110-mile-long river, pausing to view hot springs and to visit historic pioneer homesteads.