Umatilla County, Oregon

Stream 217 features Valley 142 features Spring 125 features Summit 51 features Populated Place 49 features Ridge 47 features Canal 43 features Flat 30 features Civil 22 features Reservoir 16 features Census 10 features Gap 8 features Lake 5 features Island 3 features Bench 3 features Bend 3 features Basin 2 features Pillar 2 features Channel 2 features Area 2 features Military 2 features Swamp 1 feature Beach 1 feature Slope 1 feature Cliff 1 feature