Fish ID Help

Hey Everyone!

I'm pretty sure this is a Rainbow, but do you think it could be hybridized with a Golden? The yellow is making me curious.

I caught this in in the Sierra Nevada, North of Yosemite. It's a very volcanic area as you can see in the photos. There's a lake up above but I don't know what species are in it. There is a very rough, waterfall-y creek that must have water in it year around. I caught this fish in the pool at the base of the waterfall in the photo.

I didn't imagine the creek would have fish, but now I want to go back and see what I can find.

Thanks!