Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| West Fork North Fork Wilson River | Stream | | Tillamook | 45 37 23 N | 123 32 31 W |
| West Winds Recreation Site | Locale | 17 | Tillamook | 45 17 25 N | 123 57 21 W |
| Western Creek | Stream | | Tillamook | 45 36 39 N | 123 39 34 W |
| Whalen Island | Island | 12 | Tillamook | 45 16 36 N | 123 57 08 W |
| Whalen Island County Park | Park | 2 | Tillamook | 45 16 21 N | 123 56 58 W |
| Wheeler | Populated Place | 16 | Tillamook | 45 41 20 N | 123 52 50 W |
| Wheeler Heights | Populated Place | 28 | Tillamook | 45 41 05 N | 123 53 26 W |
| Wheeler Lumber Company (historical) | Locale | 45 | Tillamook | 45 44 07 N | 123 44 02 W |
| Wheeler Post Office | Post Office | 16 | Tillamook | 45 41 20 N | 123 52 50 W |
| Wheeler Siding | Locale | 1 | Tillamook | 45 41 46 N | 123 53 12 W |
| Wheeler Upper Park | Park | 40 | Tillamook | 45 41 14 N | 123 52 59 W |
| Whiskey Creek | Stream | | Tillamook | 45 23 41 N | 123 56 09 W |
| White Creek | Stream | | Tillamook | 45 30 14 N | 123 43 24 W |
| Whitney Creek | Stream | | Tillamook | 45 35 44 N | 123 45 59 W |
| Wildcat Creek | Stream | | Tillamook | 45 18 44 N | 123 49 57 W |
| Wilson (historical) | Locale | 209 | Tillamook | 45 35 34 N | 123 32 39 W |
| Wilson Beach | Beach | 13 | Tillamook | 45 25 41 N | 123 56 16 W |
| Wilson Falls | Falls | 138 | Tillamook | 45 34 14 N | 123 34 14 W |
| Wilson Post Office (historical) | Post Office | 209 | Tillamook | 45 35 34 N | 123 32 39 W |
| Wilson River | Stream | | Tillamook | 45 28 44 N | 123 53 24 W |
| Wilson River Highway Forest State Park | Park | 69 | Tillamook | 45 29 44 N | 123 36 09 W |
| Wilson River Picnic Ground (historical) | Park | 162 | Tillamook | 45 35 19 N | 123 33 04 W |
| Wilson River Safety Rest Area (historical) | Locale | 161 | Tillamook | 45 35 15 N | 123 33 34 W |
| Wilson School | School | 8 | Tillamook | 45 27 21 N | 123 50 12 W |
| Wolf Creek | Stream | | Tillamook | 45 33 32 N | 123 36 05 W |
| Wolf Point | Summit | 738 | Tillamook | 45 34 49 N | 123 36 59 W |
| Wolfe Creek | Stream | | Tillamook | 45 17 02 N | 123 47 19 W |
| Woods | Populated Place | 7 | Tillamook | 45 12 50 N | 123 57 17 W |
| Woods County Park | Park | 3 | Tillamook | 45 12 39 N | 123 57 19 W |
| Woods Creek | Stream | | Tillamook | 45 10 03 N | 123 48 19 W |
| Woods Creek | Stream | | Tillamook | 45 18 20 N | 123 50 00 W |
| Woods IOOF Cemetery | Cemetery | 57 | Tillamook | 45 13 24 N | 123 57 19 W |
| Woods Point | Summit | 940 | Tillamook | 45 34 05 N | 123 26 15 W |
| Woods Post Office (historical) | Post Office | 7 | Tillamook | 45 12 50 N | 123 57 17 W |
| Yach Bridge | Bridge | 56 | Tillamook | 45 06 59 N | 123 51 56 W |
| Yach Post Office (historical) | Post Office | 41 | Tillamook | 45 07 16 N | 123 52 44 W |
| Yager Creek | Stream | | Tillamook | 45 24 52 N | 123 56 01 W |
| Yankee Branch | Stream | | Tillamook | 45 28 39 N | 123 48 19 W |
| Zaddach Creek | Stream | | Tillamook | 45 42 49 N | 123 51 24 W |
| Zig Zag Creek | Stream | | Tillamook | 45 29 48 N | 123 40 04 W |
| Zigzag Canyon | Valley | | Tillamook | 45 35 59 N | 123 45 44 W |
| Zimmerman Creek | Stream | | Tillamook | 45 41 39 N | 123 52 49 W |
| A Line Canal | Canal | 171 | Umatilla | 45 49 34 N | 119 16 43 W |
| Adams | Populated Place | 462 | Umatilla | 45 46 02 N | 118 33 45 W |
| Adams City Park | Park | | Umatilla | 45 46 01 N | 118 33 43 W |
| Adams Post Office | Post Office | 462 | Umatilla | 45 46 02 N | 118 33 45 W |
| Agency Indian Cemetery | Cemetery | 387 | Umatilla | 45 39 49 N | 118 40 11 W |
| Albee (historical) | Populated Place | 1130 | Umatilla | 45 12 45 N | 118 54 33 W |
| Albee Meadow | Flat | 1468 | Umatilla | 45 15 22 N | 118 49 33 W |
| Albee Post Office (historical) | Post Office | 1130 | Umatilla | 45 12 45 N | 118 54 33 W |
| Aldrich Park | Park | 396 | Umatilla | 45 40 52 N | 118 47 52 W |
| Alexander Creek | Stream | | Umatilla | 45 19 47 N | 119 02 05 W |
| Alkali Canyon | Valley | | Umatilla | 45 43 40 N | 119 11 34 W |
| Alkali School | School | 750 | Umatilla | 45 30 16 N | 119 01 52 W |
| Allen Creek | Stream | | Umatilla | 45 29 58 N | 118 20 26 W |
| Allen Spring | Spring | 1392 | Umatilla | 45 28 23 N | 118 11 35 W |
| Allens Spur (historical) | Locale | 861 | Umatilla | 45 28 50 N | 118 18 20 W |
| Apex | Locale | 590 | Umatilla | 45 53 26 N | 118 40 44 W |
| Arlie Canyon | Valley | | Umatilla | 45 19 09 N | 118 55 15 W |
| Armand Larve Junior High School | School | 139 | Umatilla | 45 50 34 N | 119 17 19 W |
| Arroyo Post Office (historical) | Post Office | 482 | Umatilla | 45 46 29 N | 118 37 37 W |
| Athena | Populated Place | 526 | Umatilla | 45 48 42 N | 118 29 26 W |
| Athena Cemetery | Cemetery | 546 | Umatilla | 45 49 07 N | 118 30 15 W |
| Athena City Park | Park | 523 | Umatilla | 45 48 31 N | 118 29 19 W |
| Athena Memorial Ball Park | Park | 531 | Umatilla | 45 49 17 N | 118 29 44 W |
| Athena Post Office | Post Office | 526 | Umatilla | 45 48 42 N | 118 29 26 W |
| Athena-Weston Elementary School | School | 532 | Umatilla | 45 48 29 N | 118 29 04 W |
| Athena-Weston Junior High and Elementary School | School | 582 | Umatilla | 45 48 44 N | 118 25 19 W |
| Axle Canyon | Valley | | Umatilla | 45 27 50 N | 118 44 23 W |
| Bachelor Canyon | Valley | | Umatilla | 45 39 17 N | 118 24 04 W |
| Bade | Locale | 347 | Umatilla | 45 54 44 N | 118 25 24 W |
| Badger Springs | Spring | 283 | Umatilla | 45 52 54 N | 118 59 29 W |
| Bailey (historical) | Locale | 94 | Umatilla | 45 54 27 N | 119 25 39 W |
| Baldy Ridge | Ridge | 1295 | Umatilla | 45 25 21 N | 118 30 19 W |
| Banjo Spring | Spring | 1486 | Umatilla | 45 36 43 N | 118 13 03 W |
| Bar M Ranch | Locale | 658 | Umatilla | 45 44 31 N | 118 14 03 W |
| Bard Park | Park | | Umatilla | 45 47 00 N | 119 13 11 W |
| Barnhart | Locale | 277 | Umatilla | 45 39 09 N | 118 55 37 W |
| Barnhart Interchange | Crossing | 485 | Umatilla | 45 41 33 N | 118 55 60 W |
| Barnhart Post Office (historical) | Post Office | 277 | Umatilla | 45 39 09 N | 118 55 37 W |
| Barrett | Locale | 268 | Umatilla | 45 56 49 N | 118 27 11 W |
| Barrett Field | Airport | 546 | Umatilla | 45 48 59 N | 118 30 04 W |
| Basin Spring | Spring | 1150 | Umatilla | 45 01 35 N | 118 52 06 W |
| Basket Mountain | Summit | 896 | Umatilla | 45 50 06 N | 118 17 52 W |
| Bassey Creek | Stream | | Umatilla | 45 27 30 N | 118 32 33 W |
| Bates (historical) | Locale | 322 | Umatilla | 45 55 18 N | 118 26 08 W |
| Battle Mountain | Summit | 1375 | Umatilla | 45 14 38 N | 119 00 40 W |
| Battle Mountain Forest State Park | Park | 1273 | Umatilla | 45 15 44 N | 118 58 44 W |
| Battle Mountain Forest State Scenic Corridor | Park | 1310 | Umatilla | 45 15 59 N | 118 58 29 W |
| Battle Mountain State Park (historical) | Park | 1253 | Umatilla | 45 17 00 N | 118 58 15 W |
| Battle Mountain Summit | Gap | 1306 | Umatilla | 45 16 15 N | 118 58 33 W |
| Baumgardner Cemetery | Cemetery | 184 | Umatilla | 45 45 44 N | 119 14 04 W |
| Beale Canyon | Valley | | Umatilla | 45 23 42 N | 118 53 49 W |
| Bear Camp Spring | Spring | 1489 | Umatilla | 45 31 03 N | 118 10 31 W |
| Bear Creek | Stream | | Umatilla | 45 50 39 N | 118 06 16 W |
| Bear Creek | Stream | | Umatilla | 45 22 39 N | 118 30 48 W |
| Bear Creek | Stream | | Umatilla | 45 26 06 N | 118 53 32 W |
| Bear Creek | Stream | | Umatilla | 45 32 12 N | 118 14 11 W |
| Bear Creek | Stream | | Umatilla | 45 44 33 N | 118 13 28 W |
| Bear Creek Guard Station | Locale | 764 | Umatilla | 45 50 41 N | 118 06 07 W |
| Bear Trap Canyon | Valley | | Umatilla | 45 50 10 N | 118 07 29 W |
| Bear Wallow Camp Recreation Site (historical) | Locale | 1484 | Umatilla | 45 15 47 N | 118 45 14 W |
| Bear Wallow Creek | Stream | | Umatilla | 45 11 02 N | 118 45 13 W |
| Bear Wallow Creek Recreation Site | Locale | 1191 | Umatilla | 45 11 02 N | 118 45 08 W |
| Bear Wallow Forest Service Station | Locale | 1483 | Umatilla | 45 15 44 N | 118 45 15 W |
| Bear Wallow Spring | Spring | 1462 | Umatilla | 45 14 56 N | 118 44 34 W |
| Beaver Creek | Stream | | Umatilla | 45 30 06 N | 118 25 26 W |
| Beeman Canyon | Valley | | Umatilla | 45 18 19 N | 118 47 21 W |
| Beers Spring | Spring | 1277 | Umatilla | 45 23 55 N | 118 30 47 W |
| Bell Cow Creek | Stream | | Umatilla | 45 32 16 N | 118 34 05 W |