Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| United States Custom and Immigration Building | Building | 1404 | Cochise | 31 20 05 N | 109 56 52 W |
| United States Geological Survey Magnetic Observatory | Locale | 776 | Pima | 32 14 49 N | 110 50 12 W |
| United States Geological Survey Observatory | Locale | 2203 | Coconino | 35 05 58 N | 111 32 13 W |
| United States Geological Survey Observatory | Locale | 2168 | Coconino | 35 12 56 N | 111 38 02 W |
| United States Mine | Mine | 1236 | Yavapai | 34 54 47 N | 112 15 18 W |
| United States Veterans Hospital | Hospital | 1618 | Yavapai | 34 33 17 N | 112 27 09 W |
| United Verde Mine | Mine | 1639 | Yavapai | 34 44 59 N | 112 07 28 W |
| United Verde Mine | Mine | 1594 | Yavapai | 34 45 08 N | 112 07 15 W |
| United Western Mine | Mine | 859 | Mohave | 35 02 03 N | 114 23 29 W |
| Unity Park | Flat | 226 | Maricopa | 32 56 36 N | 112 43 04 W |
| University Activity Center | Building | 356 | Maricopa | 33 25 27 N | 111 55 51 W |
| University Archeological School | School | 1805 | Graham | 33 21 11 N | 109 44 38 W |
| University Charco | Reservoir | 1800 | Graham | 33 21 33 N | 109 44 17 W |
| University Farms Interchange | Crossing | 708 | Pima | 32 15 37 N | 111 00 08 W |
| University Heights School | School | 740 | Pima | 32 14 16 N | 110 57 26 W |
| University High School | School | | Pima | 32 13 35 N | 110 53 17 W |
| University Mine | Mine | 1091 | Pima | 31 58 17 N | 111 06 07 W |
| University Mobile Home Park | Populated Place | 358 | Maricopa | 33 25 01 N | 111 55 25 W |
| University of Arizona | School | 741 | Pima | 32 13 52 N | 110 57 09 W |
| University of Arizona Agricultural Experiment Station | Locale | 905 | Graham | 32 48 12 N | 109 40 50 W |
| University of Arizona Agricultural Experiment Station | Locale | 58 | Yuma | 32 36 47 N | 114 38 11 W |
| University of Arizona Agricultural Experiment Station | Locale | 36 | Yuma | 32 42 45 N | 114 42 27 W |
| University of Arizona Cotton Research Center | Locale | 345 | Maricopa | 33 24 22 N | 111 59 31 W |
| University of Arizona Experiment Farm | Locale | 701 | Pima | 32 15 31 N | 111 00 08 W |
| University of Arizona Experimental Farm | Locale | 362 | Maricopa | 33 23 01 N | 111 57 45 W |
| University of Arizona Experimental Farm | Locale | 374 | Maricopa | 33 24 48 N | 111 51 45 W |
| University of Arizona Farm | Locale | 718 | Pima | 32 16 51 N | 110 55 56 W |
| University of Arizona Geochronology Laboratories | Locale | 814 | Pima | 32 13 12 N | 111 00 14 W |
| University of Arizona Hospital and Medical Center | Hospital | 736 | Pima | 32 14 27 N | 110 57 46 W |
| University of Arizona Maricopa Agricultural Center Airport | Airport | 359 | Pinal | 33 04 49 N | 111 59 03 W |
| University of Arizona Observatory | Locale | 2497 | Pima | 32 25 01 N | 110 44 02 W |
| University of Arizona South | School | 1343 | Cochise | 31 34 01 N | 110 14 44 W |
| University Park | Park | 329 | Maricopa | 33 27 09 N | 112 05 15 W |
| University Post Office | Post Office | 739 | Pima | 32 13 55 N | 110 57 27 W |
| University Square Shopping Center | Locale | 738 | Pima | 32 13 56 N | 110 57 32 W |
| Unkar Creek | Stream | | Coconino | 36 04 49 N | 111 52 27 W |
| Unkar Creek Rapids | Rapids | 802 | Coconino | 36 04 42 N | 111 52 17 W |
| Unknown Spring | Spring | 1604 | Greenlee | 33 18 40 N | 109 18 07 W |
| Unknown Tank | Reservoir | 2219 | Coconino | 34 54 40 N | 111 23 47 W |
| Up Rock Point | Cliff | 1994 | Navajo | 35 28 24 N | 110 14 26 W |
| Upeart Park | Park | 428 | Pinal | 32 52 45 N | 111 45 02 W |
| Upper Alamo Tank | Reservoir | 1238 | Santa Cruz | 31 22 25 N | 111 00 47 W |
| Upper Alder Creek Spring | Spring | 1159 | Maricopa | 33 54 20 N | 111 30 39 W |
| Upper Antelope | Summit | 1373 | Mohave | 36 55 13 N | 113 14 42 W |
| Upper Ash Creek Tank | Reservoir | 1558 | Pima | 31 53 16 N | 111 13 32 W |
| Upper Ash Spring | Spring | 1818 | Graham | 32 30 58 N | 110 16 31 W |
| Upper Bald Mountain Tank | Reservoir | 1335 | Mohave | 35 01 30 N | 113 24 01 W |
| Upper Basin | Basin | 1987 | Coconino | 35 56 11 N | 111 49 46 W |
| Upper Basin Spring | Spring | 1833 | Yavapai | 34 31 25 N | 112 34 49 W |
| Upper Basin Tank | Reservoir | 1917 | Coconino | 35 54 54 N | 111 48 27 W |
| Upper Bear Butte Tank | Reservoir | 1725 | Gila | 33 56 44 N | 110 32 45 W |
| Upper Bear Canyon Seep | Spring | 2649 | Greenlee | 33 40 24 N | 109 21 51 W |
| Upper Bear Spring | Spring | 1663 | Cochise | 32 15 10 N | 109 32 50 W |
| Upper Bear Spring | Spring | 2525 | Greenlee | 33 33 36 N | 109 24 15 W |
| Upper Beaver Spring | Spring | 2505 | Apache | 33 51 44 N | 109 11 07 W |
| Upper Beecher Well | Well | 1098 | Mohave | 34 41 25 N | 113 50 38 W |
| Upper Bell Tank | Reservoir | 1695 | Gila | 34 02 17 N | 110 48 17 W |
| Upper Belmont Well | Well | 510 | Maricopa | 33 37 23 N | 112 56 26 W |
| Upper Big Dry Tank | Reservoir | 1743 | Greenlee | 33 19 18 N | 109 23 33 W |
| Upper Bitter Creek Well | Well | 1243 | Mohave | 34 44 08 N | 113 26 00 W |
| Upper Black Top Mesa Pass | Gap | 856 | Pinal | 33 26 58 N | 111 22 44 W |
| Upper Blue Campground | Locale | 1926 | Greenlee | 33 41 42 N | 109 04 19 W |
| Upper Blue Spring | Spring | 1923 | Greenlee | 33 41 33 N | 109 04 12 W |
| Upper Bouse Wash | Stream | | La Paz | 33 39 00 N | 113 45 33 W |
| Upper Brady Tank | Reservoir | 2075 | Coconino | 34 42 01 N | 111 28 20 W |
| Upper Bruno Tank | Reservoir | 1809 | Cochise | 31 41 09 N | 109 22 18 W |
| Upper Bryant Canyon Tank | Reservoir | 1668 | Gila | 34 03 30 N | 111 00 11 W |
| Upper Buck Spring | Spring | 2313 | Coconino | 34 25 34 N | 111 08 51 W |
| Upper Bull Canyon Tank | Reservoir | 1749 | Gila | 34 16 29 N | 111 02 05 W |
| Upper Bull Pond | Lake | 1737 | Mohave | 36 29 23 N | 113 32 46 W |
| Upper Burro Creek Wilderness | Reserve | 1348 | Yavapai | 34 42 33 N | 113 16 55 W |
| Upper Buss Tank | Reservoir | 1963 | Coconino | 35 17 24 N | 112 17 44 W |
| Upper Cabin Tank | Reservoir | 2157 | Coconino | 35 53 06 N | 111 46 54 W |
| Upper Calabasas Dam | Dam | 1387 | Santa Cruz | 31 21 08 N | 111 04 33 W |
| Upper Calf Creek Tank | Reservoir | 1690 | Gila | 33 47 53 N | 110 11 49 W |
| Upper Campaign Spring | Spring | 1688 | Pinal | 33 27 45 N | 111 08 08 W |
| Upper Canyon Creek Campground | Locale | 1988 | Gila | 34 17 17 N | 110 48 22 W |
| Upper Canyon Creek Tank | Reservoir | 2623 | Greenlee | 33 46 17 N | 109 07 45 W |
| Upper Canyon Creek Tank | Reservoir | 2669 | Greenlee | 33 46 14 N | 109 07 33 W |
| Upper Carrizo Well | Well | 1741 | Apache | 34 36 42 N | 109 15 17 W |
| Upper Centennial Control Dam | Dam | 616 | La Paz | 33 55 06 N | 113 23 15 W |
| Upper Charcoal Tank | Reservoir | 1810 | Yavapai | 34 30 31 N | 112 19 38 W |
| Upper Chavez Tank | Reservoir | 2033 | Coconino | 34 47 19 N | 111 09 28 W |
| Upper Cherry Spring | Spring | 1655 | Cochise | 32 05 35 N | 109 17 16 W |
| Upper Cherum Spring | Spring | 1582 | Mohave | 35 23 45 N | 114 06 53 W |
| Upper Cienega Corral | Locale | 1653 | Greenlee | 33 16 52 N | 109 08 36 W |
| Upper Cienega Spring | Spring | 1691 | Greenlee | 33 17 10 N | 109 08 29 W |
| Upper Clayhole Reservoirs | Reservoir | 1509 | Mohave | 36 42 04 N | 113 03 58 W |
| Upper Clayhole Valley | Valley | | Mohave | 36 39 00 N | 113 00 03 W |
| Upper Clover Tank | Reservoir | 1916 | Graham | 33 24 23 N | 109 50 36 W |
| Upper Co Tank | Reservoir | 1897 | Coconino | 35 57 07 N | 111 45 09 W |
| Upper Conklin Tank | Reservoir | 2573 | Apache | 33 48 58 N | 109 24 45 W |
| Upper Cook Spring | Spring | 1310 | Yavapai | 34 29 09 N | 112 46 49 W |
| Upper Corn Creek Tank | Reservoir | 1914 | Apache | 33 41 35 N | 109 52 18 W |
| Upper Cornwall Well | Well | 1136 | Mohave | 34 38 55 N | 113 22 57 W |
| Upper Corral Canyon | Valley | | Gila | 33 42 32 N | 110 44 19 W |
| Upper Cottonwood Spring | Spring | 1462 | Coconino | 36 31 11 N | 112 31 28 W |
| Upper Cottonwood Spring | Spring | 1396 | Greenlee | 33 09 30 N | 109 27 37 W |
| Upper Cove Creek Spring | Spring | 1746 | Greenlee | 33 11 02 N | 109 20 52 W |
| Upper Cox Canyon Spring | Spring | 1769 | Gila | 33 33 44 N | 110 44 49 W |
| Upper Crossing | Reservoir | 1704 | Yavapai | 34 49 10 N | 113 02 19 W |
| Upper Crossing Spring | Spring | 1915 | Navajo | 36 50 43 N | 110 40 06 W |
| Upper Cypress Spring | Spring | 1427 | Yavapai | 34 46 42 N | 113 07 35 W |
| Upper Dam | Dam | 1556 | Yavapai | 34 34 40 N | 112 20 37 W |
| Upper Dead Cow Spring | Spring | 1841 | Yavapai | 34 12 07 N | 112 15 36 W |
| Upper Deadman Tank | Reservoir | 1061 | Graham | 32 45 29 N | 109 46 12 W |
| Upper Dillman Tank | Reservoir | 1962 | Coconino | 35 49 00 N | 112 00 33 W |
| Upper Distill Spring | Spring | 1611 | Greenlee | 33 13 27 N | 109 26 59 W |
| Upper Dog Valley Tank | Reservoir | 1754 | Coconino | 34 52 25 N | 111 00 57 W |
| Upper Double R Spring | Spring | 1428 | Cochise | 32 24 29 N | 110 15 30 W |