Nat. Park/Forest, Other States, Picture of the Day Island Trail, Walnut Canyon National Monument – Flagstaff, Arizona May 1, 2011 / ©2011 John Wanserski for Creative Juice LLC Walnut Canyon National Monument Map of Walnut Canyon National Monument The Island Trail Weather forecast for Flagstaff, Arizona vicinity Blog entries for Walnut Canyon National Monument Videos of other parks, A-Z List , Locator Map Share on Facebook