I so appreciate southern Idaho. Vast, tranquil, diverse and for the most part empty. Silver Creek Preserve is a natural running creek about 30 miles south of Sun Valley. It is a fly fishing Cathedral if there could be such a thing. Slow clear water, giant trout, insects, elk, birds of prey, very few anglers.
It seems almost every other world class fishery on the planet has somehow been compared to this stretch of water. It is a truly remarkable bio-sphere.