Arizona has an array of fishing opportunities, including some of the best western US winter fly fishing. Starting with world famous Lee's Ferry area of the Colorado River, then there's the Verde and Salt River drainages. Plus the abundance of lakes and bass fishing opportunities. Fly Fishing is very close to the Phoenix Metro area, excellent for the business trips.
Throw in beautiful and rgged terrain available nowhere else in the world, and the rare opportunity to catch Apache Trout and Gila Trout, with warm winter weather and you've got one of the most unique fly fishing areas anywhere in the world.