The Truckee River is supposed to be good. It flows out of the north end of Lake Tahoe. There are lots of really good looking small streams in that area as well. I was there one time when I was younger on a family vacation. I was about to die it seemed like because I didn't have the long rod with me
. I did convince my parents to let me stop here
http://www.tahoeflyfishing.com/ for a few minutes and it was a good shop. I'm sure they can answer specific questions for you...