Thanks for that---I've managed to fish a few times in that park. Always fun--and you captured it. The first time, I couldn't seem to catch anything until I finally went into full sneak mode and crawled up to a pool from behind a rock. I stayed behind the rock and only exposed the very tip of my rod--and kind of Tenkara'd my fly. No problem after that--they were eager to eat but as you say--super wary.