The giant Salmonflies of the Western mountains are legendary for their proclivity to elicit consistent dry-fly action and ferocious strikes.
I would come down and snag salmon with a few friends
Orn, In the United States most people need to buy a fishing license for the state they live in when they turn 16 years of age. That license is good for any where in the entire state that is generally open to public fishing.
The private water you have is a wonderful gift; Something very few people have. Here, one can pay access fees for "private water". But there is a lot of public water too. Let's put it this way: There is more water within an hours drive of my home than I can do justice. Back in New York, in the central region in which I lived, there were 1600miles of designated public trout water.
Things can get busy in some places, the Russian River and some others being famous for the crowds at certain times. But there are many waters where a little walking will get you some privacy. Big trout however do have a tendency to draw crowds.