....................... ......Fly Fishing Yellowstone National Park
Destinations: The Big Lost River Tailwater, Idaho The Big Lost River in Idaho is a small stream with some big rainbow trout. The trout in this stream are reputed to average about 17 inches in length with some exceeding 25 inches. That is huge.
It is a tailwater of the Big Lost River, as the name implies, which is one of Idaho's little known and probably under-fished rivers in the middle of no where. The McKay Reservoir provides its water and like many other tailwaters in the state of Idaho, the agriculture needs prevail far over the fishing use.
The only problem with this river, which is the same as with many others, is the level of the water. It is controlled by mother nature from snow runoff, rain and the diversion of water for other use. The stream is rarely fishable in the early summer until about the first of July. The water is usually still high then but fishable. The best time to catch this tailwater at its best is usually in the early Fall season. The stream can be low, clear and difficult to fish but that is when most of the big rainbows are caught. Sight fishing nymphs is popular then. If you haven't ever tried this fine stream, you should. It is a truly unique river with great fishing opportunities provided you catch the water levels right. .