"Frustration Flats"

A stretch of trout water doesn’t get a name like this without a reason, says Chester Allen of this particular part of Washington’s Yakima River. “The water is as flat and clear as a pane of glass, so it’s easy to see dozens of wild rainbow trout — including a few that weigh as much or more than a human brain — feeding on thousands of tiny blue wing olive mayflies.” In Washington state’s The Olympian.