Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| North Fork Gales Creek | Stream | | Washington | 45 39 01 N | 123 20 16 W |
| North Fork Galice Creek | Stream | | Josephine | 42 33 05 N | 123 37 30 W |
| North Fork Gate Creek | Stream | | Lane | 44 09 00 N | 122 32 14 W |
| North Fork Gate Creek | Stream | | Wasco | 45 09 59 N | 121 24 14 W |
| North Fork Gettings Creek | Stream | | Lane | 43 50 19 N | 123 01 22 W |
| North Fork Glen Aiken Creek | Stream | | Coos | 43 08 44 N | 124 09 54 W |
| North Fork Gold Creek | Stream | | Tillamook | 45 25 44 N | 123 42 55 W |
| North Fork Gordon Creek | Stream | | Multnomah | 45 30 19 N | 122 06 04 W |
| North Fork Gravel Creek | Stream | | Lincoln | 44 53 28 N | 123 44 22 W |
| North Fork Gravel Pit | Locale | 1466 | Union | 45 30 06 N | 117 43 47 W |
| North Fork Greely Creek | Stream | | Jackson | 42 07 12 N | 122 48 20 W |
| North Fork Green Point Creek | Stream | | Hood River | 45 35 27 N | 121 41 04 W |
| North Fork Green Timber Creek | Stream | | Columbia | 45 47 43 N | 123 19 28 W |
| North Fork Griffin Creek | Stream | | Jackson | 42 16 52 N | 122 54 41 W |
| North Fork Groundhog Creek | Stream | | Lane | 43 37 43 N | 122 17 11 W |
| North Fork Guard Station | Locale | 227 | Clackamas | 45 13 20 N | 122 14 32 W |
| North Fork Gumboot Creek | Stream | | Wallowa | 45 10 42 N | 116 53 12 W |
| North Fork Hazel Hollow | Valley | | Wasco | 45 09 57 N | 121 24 10 W |
| North Fork Hill Creek | Stream | | Lane | 43 51 59 N | 123 04 29 W |
| North Fork Hinkle Creek | Stream | | Douglas | 43 25 21 N | 123 02 23 W |
| North Fork Hubbard Creek | Stream | | Curry | 42 44 18 N | 124 28 33 W |
| North Fork Hunter Creek | Stream | | Curry | 42 22 46 N | 124 20 20 W |
| North Fork Imnaha River | Stream | | Wallowa | 45 06 46 N | 117 07 33 W |
| North Fork Indian Creek | Stream | | Lane | 43 30 12 N | 122 27 52 W |
| North Fork Indian Creek | Stream | | Lane | 44 10 54 N | 123 51 02 W |
| North Fork Indian Creek | Stream | | Malheur | 44 01 01 N | 117 49 24 W |
| North Fork Indian Creek | Stream | | Union | 45 25 59 N | 117 49 11 W |
| North Fork Indian Creek Dam | Dam | 1163 | Malheur | 44 01 60 N | 117 55 04 W |
| North Fork Indigo Creek | Stream | | Curry | 42 30 00 N | 123 59 49 W |
| North Fork Iron Creek | Stream | | Hood River | 45 18 08 N | 121 39 12 W |
| North Fork Jackson Creek | Stream | | Malheur | 42 13 47 N | 117 43 31 W |
| North Fork Jacobsen Gulch | Valley | | Malheur | 44 06 02 N | 117 01 09 W |
| North Fork Jim Creek | Stream | | Wallowa | 45 55 20 N | 116 53 44 W |
| North Fork Joe Ney Slough | Stream | | Coos | 43 20 04 N | 124 17 19 W |
| North Fork John Day Ranger Station | Building | 1024 | Umatilla | 45 08 05 N | 118 56 14 W |
| North Fork John Day Recreation Site | Locale | 1585 | Grant | 44 54 51 N | 118 24 07 W |
| North Fork John Day River | Stream | | Grant | 44 45 22 N | 119 38 19 W |
| North Fork John Day Wilderness | Reserve | 1498 | Grant | 44 55 01 N | 118 35 07 W |
| North Fork Johnston Creek | Stream | | Multnomah | 45 27 59 N | 122 23 49 W |
| North Fork Juniper Canyon | Valley | | Umatilla | 45 56 59 N | 118 52 36 W |
| North Fork Kilchis River | Stream | | Tillamook | 45 36 15 N | 123 45 15 W |
| North Fork King Creek | Stream | | Lake | 42 32 44 N | 120 29 27 W |
| North Fork Klaskanine River | Stream | | Clatsop | 46 05 24 N | 123 44 48 W |
| North Fork Lake Creek | Stream | | Jefferson | 44 27 23 N | 121 38 34 W |
| North Fork Lightning Creek | Stream | | Wallowa | 45 28 23 N | 117 01 11 W |
| North Fork Limber Jim Creek | Stream | | Union | 45 06 29 N | 118 19 31 W |
| North Fork Little Butte Creek | Stream | | Jackson | 42 25 11 N | 122 37 08 W |
| North Fork Little Copeland Creek | Stream | | Jackson | 42 57 59 N | 122 19 04 W |
| North Fork Little Fruin Creek | Stream | | Coos | 43 18 25 N | 123 56 40 W |
| North Fork Little Willow Creek | Stream | | Malheur | 44 08 58 N | 117 23 21 W |
| North Fork Lobster Creek | Stream | | Curry | 42 37 02 N | 124 14 46 W |
| North Fork Louse Creek | Stream | | Josephine | 42 29 41 N | 123 16 07 W |
| North Fork Lousignont Creek | Stream | | Washington | 45 44 41 N | 123 18 13 W |
| North Fork Malheur Recreation Site | Locale | 1443 | Grant | 44 12 31 N | 118 22 57 W |
| North Fork Malheur River | Stream | | Malheur | 43 45 25 N | 118 03 40 W |
| North Fork McDermitt Creek | Stream | | Malheur | 42 03 59 N | 118 10 10 W |
| North Fork McDowell Creek | Stream | | Lake | 42 21 01 N | 120 07 19 W |
| North Fork McKay Creek | Stream | | Umatilla | 45 30 12 N | 118 37 26 W |
| North Fork McNulty Creek | Stream | | Columbia | 45 50 45 N | 122 50 31 W |
| North Fork Meacham Creek | Stream | | Umatilla | 45 31 36 N | 118 17 30 W |
| North Fork Meadow | Flat | 1717 | Grant | 44 54 52 N | 118 18 15 W |
| North Fork Middle Fork Willamette River | Stream | | Lane | 43 45 30 N | 122 31 27 W |
| North Fork Mill Creek | Stream | | Benton | 44 24 15 N | 123 38 41 W |
| North Fork Mill Creek | Stream | | Jackson | 42 50 39 N | 122 27 14 W |
| North Fork Mill Creek | Stream | | Lincoln | 44 45 57 N | 123 45 33 W |
| North Fork Mill Creek | Stream | | Marion | 44 49 54 N | 122 42 20 W |
| North Fork Mill Creek | Stream | | Wasco | 45 33 02 N | 121 18 29 W |
| North Fork Mineral Creek | Stream | | Hood River | 45 17 04 N | 121 39 34 W |
| North Fork Mohawk River | Stream | | Lane | 44 13 37 N | 122 40 13 W |
| North Fork Molalla River | Stream | | Clackamas | 45 04 57 N | 122 29 17 W |
| North Fork Munger Creek | Stream | | Josephine | 42 13 12 N | 123 21 16 W |
| North Fork Myers Creek | Stream | | Curry | 42 18 19 N | 124 23 44 W |
| North Fork Necanicum River | Stream | | Clatsop | 45 54 19 N | 123 48 34 W |
| North Fork Nehalem County Park | Park | 53 | Clatsop | 45 48 45 N | 123 46 18 W |
| North Fork Nehalem River | Stream | | Tillamook | 45 43 56 N | 123 52 35 W |
| North Fork North Fork Gate Creek | Stream | | Lane | 44 10 16 N | 122 31 32 W |
| North Fork North Fork Klaskanine River | Stream | | Clatsop | 46 05 29 N | 123 43 09 W |
| North Fork North Fork Trask River | Stream | | Washington | 45 27 55 N | 123 27 40 W |
| North Fork North Powder River | Stream | | Baker | 44 53 48 N | 118 11 08 W |
| North Fork Norton Creek | Stream | | Marion | 44 48 45 N | 122 58 31 W |
| North Fork of Middle Fork Imnaha River | Stream | | Wallowa | 45 08 31 N | 117 10 46 W |
| North Fork Owens Creek | Stream | | Umatilla | 45 09 17 N | 118 56 55 W |
| North Fork Owyhee River | Stream | | Malheur | 42 32 33 N | 117 10 30 W |
| North Fork Panther Creek | Stream | | Lane | 44 12 12 N | 123 43 54 W |
| North Fork Panther Creek | Stream | | Lincoln | 45 01 06 N | 123 53 34 W |
| North Fork Park Creek | Stream | | Linn | 44 29 07 N | 122 02 35 W |
| North Fork Pass Creek | Stream | | Grant | 44 46 04 N | 119 02 33 W |
| North Fork Pedee Creek | Stream | | Polk | 44 46 16 N | 123 26 52 W |
| North Fork Picnic Area | Locale | 1222 | Union | 45 08 24 N | 117 37 25 W |
| North Fork Pine Creek | Stream | | Baker | 44 50 52 N | 118 02 46 W |
| North Fork Pistol River | Stream | | Curry | 42 19 04 N | 124 16 20 W |
| North Fork Quarry | Mine | 101 | Lane | 44 08 34 N | 124 03 24 W |
| North Fork Quartz Creek | Stream | | Clatsop | 45 50 29 N | 123 31 02 W |
| North Fork Quartz Creek | Stream | | Lane | 44 10 39 N | 122 19 48 W |
| North Fork Queens Branch | Stream | | Jackson | 42 31 58 N | 123 12 11 W |
| North Fork Ranch | Locale | 1379 | Klamath | 42 29 43 N | 121 03 51 W |
| North Fork Ranger Station | Building | 425 | Clackamas | 45 06 03 N | 122 27 21 W |
| North Fork Recreation Site | Locale | 1393 | Jackson | 42 22 41 N | 122 21 37 W |
| North Fork Reese Creek | Stream | | Jackson | 42 32 37 N | 122 46 49 W |
| North Fork Reservoir | Reservoir | 186 | Benton | 44 31 34 N | 123 29 39 W |
| North Fork Reservoir | Reservoir | 190 | Clackamas | 45 14 34 N | 122 17 14 W |
| North Fork Reservoir | Reservoir | 1467 | Crook | 44 15 16 N | 120 13 24 W |
| North Fork Reservoir | Reservoir | 1476 | Malheur | 42 33 58 N | 117 07 04 W |
| North Fork Ridge | Ridge | 1288 | Umatilla | 45 32 39 N | 118 16 42 W |
| North Fork Riley Creek | Stream | | Curry | 42 24 29 N | 124 24 39 W |
| North Fork Roberts Creek | Stream | | Douglas | 43 09 13 N | 123 22 52 W |
| North Fork Rock Creek | Stream | | Baker | 44 51 21 N | 118 07 31 W |
| North Fork Rock Creek | Stream | | Benton | 44 31 29 N | 123 29 34 W |
| North Fork Rock Creek | Stream | | Clatsop | 45 49 15 N | 123 26 10 W |
| North Fork Rock Creek | Stream | | Coos | 42 41 34 N | 124 06 28 W |