For Sale: 2004 River Canyon Used 5th Wh, Wheelen Rv, Joplin 5th Wheels / Joplin, Mo 2006 River Canyon 3 Slide Out 5th Wheel River Canyon By Travel Supreme 34' 3 Slide 5th Wheel With Rear Living Room! Beautiful For Weekends Or Wintering In The Warm. Loaded With Options, Basement Storage, W/d Combo, 10 Gal. Water Heater, 2 A/c Units, 50 Amp Service! 12 Month Standard Warranty... Unit Features: 50 Amp Service