ChamberMaster Template Wendy's of Great Falls Restaurant Wendy's of Great Falls Visit Website Request Info 806 10th Ave S Great Falls, MT 59405 (406) 761-2365 About Map About At Wendy's, we're all about serving up fresh food, even if it means going the extra mile. Come visit us at 806 10th Avenue South. Open until Midnight! What's Nearby? Distance: 5 10 15 20 25 50 mi.