Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Louisville Fire Department Station Number 2 | Building | 1695 | Boulder | 39 58 32 N | 105 09 36 W |
| Louisville Main Post Office | Post Office | 1665 | Boulder | 39 57 41 N | 105 09 38 W |
| Louisville Middle School | School | 1635 | Boulder | 39 59 03 N | 105 07 60 W |
| Louisville Mine | Mine | 1623 | Boulder | 39 59 00 N | 105 07 31 W |
| Louisville Mine | Mine | 3351 | Lake | 39 14 29 N | 106 15 38 W |
| Louisville Municipal Court | Building | 1683 | Boulder | 39 58 21 N | 105 09 48 W |
| Louisville Number 1 Dam | Dam | 1705 | Boulder | 39 59 24 N | 105 09 14 W |
| Louisville Police Department | Building | 1682 | Boulder | 39 58 21 N | 105 09 47 W |
| Louisville Police Department and Municipal Court | Building | 1683 | Boulder | 39 58 21 N | 105 09 49 W |
| Louisville Post Office | Post Office | 1625 | Boulder | 39 58 35 N | 105 07 54 W |
| Louisville Recreation/Senior Center | Building | 1684 | Boulder | 39 58 30 N | 105 09 29 W |
| Louisville Reservoir | Reservoir | 1706 | Boulder | 39 59 28 N | 105 09 17 W |
| Louisville Reservoir Number 1 | Reservoir | 1705 | Boulder | 39 59 24 N | 105 09 14 W |
| Loukonen Brothers Dam | Dam | 1612 | Boulder | 40 05 24 N | 105 15 32 W |
| Loukonen Brothers Reservoir | Reservoir | 1612 | Boulder | 40 05 24 N | 105 15 32 W |
| Loup Lake | Reservoir | 1503 | Weld | 40 33 12 N | 104 51 38 W |
| Loup Lake Dam | Dam | 1503 | Weld | 40 33 12 N | 104 51 38 W |
| Loutsenhizer Arroyo | Stream | | Montrose | 38 39 53 N | 108 00 21 W |
| Loutsenhizer Canal | Canal | 1789 | Montrose | 38 31 00 N | 107 51 44 W |
| Louviers | Populated Place | 1728 | Douglas | 39 28 40 N | 105 00 26 W |
| Louviers Station | Locale | 1723 | Douglas | 39 28 47 N | 104 59 47 W |
| Love and White Ditch | Canal | 2117 | Eagle | 39 37 57 N | 106 46 37 W |
| Love Gulch | Valley | | Delta | 38 51 11 N | 107 39 30 W |
| Love Lake | Lake | 3435 | Larimer | 40 23 23 N | 105 45 37 W |
| Love Lake | Lake | 2522 | Mesa | 38 31 58 N | 108 27 48 W |
| Love Lake | Reservoir | 3057 | Mineral | 37 39 54 N | 107 01 34 W |
| Love Lake | Reservoir | 3526 | Mineral | 37 46 12 N | 107 19 08 W |
| Love Lake Dam | Dam | 3526 | Mineral | 37 46 12 N | 107 19 08 W |
| Love Mesa | Summit | 2762 | Mesa | 38 30 05 N | 108 31 42 W |
| Love Ranch | Locale | 1758 | El Paso | 38 41 35 N | 104 16 24 W |
| Loveland | Populated Place | 1519 | Larimer | 40 23 52 N | 105 04 30 W |
| Loveland Airport | Airport | 1528 | Larimer | 40 26 26 N | 105 00 25 W |
| Loveland and Greeley Canal | Canal | 1506 | Larimer | 40 22 47 N | 104 53 02 W |
| Loveland Burial Park | Cemetery | 1533 | Larimer | 40 24 46 N | 105 04 31 W |
| Loveland Dam | Dam | 1547 | Larimer | 40 18 48 N | 105 05 57 W |
| Loveland Filtration Plant | Locale | 1594 | Larimer | 40 25 33 N | 105 12 32 W |
| Loveland Gravel Pit | Mine | 1524 | Larimer | 40 23 53 N | 105 07 16 W |
| Loveland Heights | Populated Place | 2226 | Larimer | 40 23 23 N | 105 27 51 W |
| Loveland High School | School | 1538 | Larimer | 40 25 14 N | 105 05 30 W |
| Loveland Lateral | Canal | 2312 | Rio Grande | 37 30 22 N | 105 59 35 W |
| Loveland Memeorial Hospital | Hospital | 1523 | Larimer | 40 23 52 N | 105 05 23 W |
| Loveland Mine | Mine | 1824 | Jefferson | 39 50 55 N | 105 13 47 W |
| Loveland Mountain | Summit | 3260 | Park | 39 18 32 N | 106 18 21 W |
| Loveland Mountain Park | Park | 1776 | Larimer | 40 25 00 N | 105 16 32 W |
| Loveland Pass | Gap | 3656 | Summit | 39 39 49 N | 105 52 45 W |
| Loveland Powerplant | Locale | 1738 | Larimer | 40 25 12 N | 105 17 01 W |
| Loveland Quarry | Mine | 1551 | Larimer | 40 24 56 N | 105 09 50 W |
| Loveland Reservoir | Reservoir | 1547 | Larimer | 40 18 48 N | 105 05 57 W |
| Loveland Sandstone Quarry | Mine | 1673 | Larimer | 40 26 04 N | 105 11 59 W |
| Loveland Ski Area | Locale | 3364 | Clear Creek | 39 40 41 N | 105 54 04 W |
| Loveland Sugar Refinery Quarry | Mine | 1521 | Larimer | 40 24 18 N | 105 03 47 W |
| Loveland Water Storage Dam | Dam | 1601 | Larimer | 40 25 30 N | 105 12 38 W |
| Loveland Water Storage Reservoir | Reservoir | 1601 | Larimer | 40 25 30 N | 105 12 38 W |
| Loveland Water Tanks | Locale | 1574 | Larimer | 40 24 33 N | 105 09 04 W |
| Lovell Gulch | Valley | | Teller | 39 00 52 N | 105 04 00 W |
| Lovers Leap | Cliff | 2517 | Huerfano | 37 25 20 N | 104 58 34 W |
| Lovers Leap | Cliff | 2122 | Larimer | 40 58 06 N | 105 21 46 W |
| Lovett Mine | Mine | 3141 | Teller | 38 43 45 N | 105 08 26 W |
| Low Black Creek | Stream | | Fremont | 38 20 58 N | 105 03 36 W |
| Low Cost Ditch | Canal | 1674 | Garfield | 39 29 47 N | 108 07 12 W |
| Low Flat Windmill | Locale | 1494 | Weld | 40 37 55 N | 104 05 02 W |
| Low Pass Gulch | Valley | | Lake | 39 03 14 N | 106 16 11 W |
| Low Reservoir | Reservoir | 2844 | Montezuma | 37 35 47 N | 108 11 54 W |
| Low Tide Mine | Mine | 3712 | Gunnison | 39 02 22 N | 107 05 06 W |
| Lowdermild Hill | Summit | 2226 | Larimer | 40 18 33 N | 105 23 34 W |
| Lowe | Populated Place | 1429 | Weld | 40 29 33 N | 104 35 44 W |
| Lowe Camp | Locale | 2445 | Archuleta | 37 05 24 N | 106 41 40 W |
| Lowell Flat | Flat | 2556 | Mesa | 39 13 50 N | 107 38 41 W |
| Lowell Mine | Mine | 3146 | Teller | 38 43 10 N | 105 08 28 W |
| Lowell School | School | 1401 | Mesa | 39 04 11 N | 108 33 38 W |
| Lowell School (historical) | School | 1628 | Arapahoe | 39 38 54 N | 104 58 54 W |
| Lower Baltic Mine | Mine | 3856 | Park | 39 17 38 N | 106 10 13 W |
| Lower Beard Number One Reservoir | Reservoir | 2571 | Eagle | 39 40 48 N | 106 35 14 W |
| Lower Beaty Windmill | Locale | 1393 | Las Animas | 37 34 13 N | 103 35 08 W |
| Lower Beaver Park | Park | 2728 | Teller | 38 41 38 N | 105 03 05 W |
| Lower Bench Trail | Trail | 2501 | Mesa | 38 31 16 N | 108 39 36 W |
| Lower Big Creek Dam | Dam | 3183 | Jackson | 40 56 06 N | 106 46 32 W |
| Lower Big Creek Reservoir | Reservoir | 3183 | Jackson | 40 56 06 N | 106 46 32 W |
| Lower Boulder Ditch | Canal | 1531 | Boulder | 40 03 25 N | 105 04 02 W |
| Lower Browns Gulch Mine | Mine | 3177 | San Juan | 37 51 31 N | 107 43 20 W |
| Lower Buckwater Draw | Valley | | Moffat | 40 18 12 N | 108 58 53 W |
| Lower Cabin Creek Hydroelectric Dam | Dam | 3037 | Clear Creek | 39 39 42 N | 105 42 26 W |
| Lower Cabin Creek Hydroelectric Reservoir | Reservoir | 3037 | Clear Creek | 39 39 42 N | 105 42 26 W |
| Lower Cabin Creek Reservoir | Reservoir | 3037 | Clear Creek | 39 39 41 N | 105 42 21 W |
| Lower Cactus Valley Ditch | Canal | 1665 | Garfield | 39 32 55 N | 107 38 59 W |
| Lower Cataract Lake | Lake | 2632 | Summit | 39 50 00 N | 106 19 22 W |
| Lower Centennial Ditch | Canal | 2313 | Rio Grande | 37 33 22 N | 106 01 01 W |
| Lower Chatauqua Mine | Mine | 3377 | Summit | 39 33 12 N | 105 52 11 W |
| Lower Chicosa Reservoir | Reservoir | 1436 | Pueblo | 38 03 19 N | 104 17 50 W |
| Lower Chinns Dam | Dam | 3365 | Clear Creek | 39 49 00 N | 105 41 38 W |
| Lower Chinns Reservoir | Reservoir | 3365 | Clear Creek | 39 49 00 N | 105 41 38 W |
| Lower Church Lake | Reservoir | 1632 | Boulder | 39 53 27 N | 105 04 35 W |
| Lower Church Lake Dam | Dam | 1632 | Jefferson | 39 53 27 N | 105 04 35 W |
| Lower Clear Creek Canal | Canal | 1616 | Adams | 39 56 58 N | 104 56 21 W |
| Lower Clipper Mine | Mine | 3553 | Park | 39 18 10 N | 106 09 28 W |
| Lower Cogdill Lake | Reservoir | 2264 | Moffat | 40 58 17 N | 107 19 47 W |
| Lower Columbia Mine | Mine | 3611 | San Miguel | 37 56 27 N | 107 45 11 W |
| Lower Cottonwood Reservoir | Reservoir | 1659 | Rio Blanco | 39 59 13 N | 108 59 42 W |
| Lower Crystal Lake | Lake | 3656 | Summit | 39 26 07 N | 106 05 29 W |
| Lower Derby Lake Dam | Dam | 1602 | Adams | 39 48 60 N | 104 50 26 W |
| Lower Desert Tank | Reservoir | 2509 | Ouray | 38 06 13 N | 107 51 08 W |
| Lower Deus Lake | Lake | 1356 | Huerfano | 37 47 37 N | 103 31 07 W |
| Lower Disaster Falls | Falls | 1602 | Moffat | 40 38 38 N | 108 55 58 W |
| Lower Dome Dam | Dam | 2770 | Saguache | 38 12 19 N | 106 44 02 W |
| Lower Dome Reservoir | Reservoir | 2770 | Saguache | 38 12 19 N | 106 44 02 W |
| Lower Doyle Windmill | Locale | 1521 | Pueblo | 37 59 10 N | 104 22 35 W |
| Lower Duhme Spring | Spring | 2070 | Huerfano | 37 27 17 N | 104 45 50 W |
| Lower Ed Lee Number 2 Dam | Dam | 2315 | Montrose | 38 31 06 N | 108 18 20 W |
| Lower Ed Lee Number 2 Reservoir | Reservoir | 2315 | Montrose | 38 31 06 N | 108 18 20 W |
| Lower Glade Reservoir | Reservoir | 2463 | Dolores | 37 48 16 N | 108 43 05 W |