Raft this stunning 2000′ deep canyon in March & April. Sun, Splashes, Scenery and Saguaros = Whitewater Rafting Arizona’s Salt River! The only Sonoran Desert whitewater raft trip in the world is appropriate for adventurous first timers or families and the experienced rafter as well. One of the top "off the beaten path" things to do in the Phoenix & Tucson area. Partial - Full Day - Overnight - Multi-day Guided Whitewater River Trips!