I fished the San Juan last week for the first time. That river sure has some large trout in it. I have to agree with Shrapnel in that thowing a streamer in that river would be a problem. I have fished in many famous rivers in the US and that is the most crowded river by far.
I would assume at night the crowd would not be there, but I would not be surprised to hear someone scream on a backcast.
