Originally Posted by Brian Griffing
What about building a small cairn as you move upstream. This wouldn't work in some places, too many people, etc., but it is a great way to keep fish fresh while you fish. Find a spot on the stream with shallow, moving water, and arrange a few rocks into a circle to keep the fish from floating away. When you come back downstream, pick up the fish and put them on a stringer or a forked branch and destroy the cairns. The only problem I have ever had with this is the occassional kingfisher stealing the smallest fish.
That is a great idea, in theory, but it is illegal to move rocks in the streams in the Park (not that people pay attention to the rule).