If you go
Salmon River trips: The river’s Middle Fork runs 100 miles through central Idaho. Several outfitters offer trips with varying levels of service. Far and Away Adventures, www.far-away.com or 800-232-8588, offers a six-day luxury trip, $2,450 per person, beginning and ending in Sun Valley. Trips vary by season: Late May and June, when the river is high with snowmelt, the trip is fastest and most thrilling. As the river drops in July and August, the river slows, but newly exposed boulders can make some rapids even more challenging. The best fishing can be in September. Trips are offered through September.