Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Upper Bluff Historic District | Park | 185 | Will | 41 31 48 N | 088 05 45 W |
| Upper Bluff Lake | Lake | 101 | Union | 37 23 30 N | 089 21 03 W |
| Upper Cass School (historical) | School | 219 | DuPage | 41 43 54 N | 087 58 36 W |
| Upper Center School (historical) | School | 202 | Schuyler | 40 16 04 N | 090 42 06 W |
| Upper Cutoff Slough | Gut | 136 | Pike | 39 27 43 N | 090 57 42 W |
| Upper Elco School | School | 115 | Alexander | 37 19 42 N | 089 15 16 W |
| Upper Eliza Lake (historical) | Lake | 161 | Mercer | 41 15 42 N | 091 02 01 W |
| Upper Embarras Woods Nature Preserve | Park | 196 | Douglas | 39 41 40 N | 088 02 25 W |
| Upper Flat Lake | Lake | 126 | Jersey | 39 00 35 N | 090 34 04 W |
| Upper Flat Pond | Lake | 132 | Calhoun | 39 02 04 N | 090 40 43 W |
| Upper Kent School (historical) | School | 270 | Stephenson | 42 18 45 N | 089 54 07 W |
| Upper Lester Cemetery | Cemetery | 205 | Douglas | 39 48 52 N | 088 21 26 W |
| Upper Mississippi River Wild Life and Fish Refuge | Park | 180 | Jo Daviess | 42 20 25 N | 090 24 57 W |
| Upper Muddy Cemetery | Cemetery | 222 | Coles | 39 24 25 N | 088 19 19 W |
| Upper Peoria Lake | Lake | 134 | Peoria | 40 48 24 N | 089 33 04 W |
| Upper Ridge Cemetery | Cemetery | 213 | Macon | 40 02 11 N | 089 01 19 W |
| Upper Ridge School (historical) | Locale | 224 | Macon | 40 02 11 N | 089 00 14 W |
| Upper Room Church of the Great Provider | Church | 181 | Cook | 41 55 35 N | 087 40 04 W |
| Upper Room Missionary Baptist Church | Church | 180 | Cook | 41 54 18 N | 087 38 31 W |
| Upper Room Spiritual Church | Church | 182 | Cook | 41 51 59 N | 087 42 44 W |
| Upper Salem Church | Church | 127 | Massac | 37 13 13 N | 088 43 48 W |
| Upper Salt Fork Drainage Ditch | Canal | 206 | Champaign | 40 14 32 N | 088 05 35 W |
| Upper Sand Ridge School (historical) | School | 128 | Greene | 39 29 30 N | 090 34 24 W |
| Upper Sandy Slough | Stream | | White | 38 03 57 N | 088 01 05 W |
| Upper School (historical) | School | 128 | Monroe | 38 17 52 N | 089 56 16 W |
| Upper Springdale School (historical) | School | 187 | Macoupin | 39 02 44 N | 089 50 02 W |
| Upper Stump Lake | Lake | 126 | Jersey | 38 59 52 N | 090 33 30 W |
| Upper Swan Lake | Lake | 135 | Pike | 39 26 57 N | 090 59 24 W |
| Upper Union School (historical) | School | 165 | Massac | 37 13 22 N | 088 37 16 W |
| Upper Wilkinson Landing (historical) | Locale | 110 | Jackson | 37 44 53 N | 089 38 01 W |