This polygon shapefile includes selected delineated subbasins (watersheds) of streams within the upper Umatilla River Basin, Oregon. These subbasins, referred to by the name of their stream gages, are 1.) Umatilla River above Meacham Creek, near Gibbon, Oregon, 2.) Meacham Creek at Gibbon, Oregon, 3.) Isqu'ulktpe Creek near Gibbon, Oregon, 4.) Moonshine Creek near Mission, Oregon, 5.) Cottonwood Creek near Mission, Oregon, 6.) McKay Creek near Pilot Rock, Oregon, 7.) Wildhorse Creek at Pendleton, Oregon, and 8.) Patawa Creek at West Boundary near Pendleton, Oregon. These data were used to analyze precipitation and groundwater recharge in each subbasin.