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| State: | Colorado | |
| Search Type: | Feature name matches the search term. | |
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| Feature Type: | Tunnels |
| Feature Name | Type | Latitude | Longitude | GNIS ID | View Map | |||||
| Alva B Adams Tunnel | Tunnel | N40.2917° | W105.6728° | 202504 | View Map | |||||
| Apishapa Arch | Tunnel | N37.3403° | W104.9986° | 194498 | View Map | |||||
| Arrow Tunnel | Tunnel | N39.9136° | W105.7564° | 180953 | View Map | |||||
| August P Gumlick Tunnel | Tunnel | N39.7672° | W105.8781° | 202822 | View Map | |||||
| Aurora Rampart Tunnel Number 1 | Tunnel | N39.4319° | W105.1261° | 169507 | View Map | |||||
| Aurora Rampart Tunnel Number 2 | Tunnel | N39.4425° | W105.0880° | 183375 | View Map | |||||
| Bagley Tunnel | Tunnel | N37.9328° | W107.5812° | 196905 | View Map | |||||
| Bald Mountain Tunnel | Tunnel | N40.3597° | W105.2686° | 178023 | View Map | |||||
| Beavertail Mountain Tunnel | Tunnel | N39.1972° | W108.2715° | 174421 | View Map | |||||
| Blanco Tunnel | Tunnel | N37.1361° | W106.8114° | 1947479 | View Map | |||||
| Carlton Tunnel | Tunnel | N38.6886° | W105.1825° | 191265 | View Map | |||||
| Ceresco Ridge Portal | Tunnel | N39.3678° | W106.1778° | 179901 | View Map | |||||
| Chapman Tunnel | Tunnel | N39.2511° | W106.6092° | 202676 | View Map | |||||
| Charles H Boustead Tunnel | Tunnel | N39.2633° | W106.4773° | 202678 | View Map | |||||
| Denver Tunnel | Tunnel | N37.6919° | W106.9578° | 190553 | View Map | |||||
| Dille Tunnel | Tunnel | N40.4178° | W105.2339° | 177701 | View Map | |||||
| Duffy Tunnel | Tunnel | N40.4300° | W107.8617° | 171326 | View Map | |||||
| Eisenhower Memorial Tunnel | Tunnel | N39.6797° | W105.9208° | 181816 | View Map | |||||
| Golden Belt Tunnel | Tunnel | N39.6919° | W105.7742° | 181840 | View Map | |||||
| Granite Adit | Tunnel | N39.2683° | W106.5536° | 179790 | View Map | |||||
| Gunnison Tunnel | Tunnel | N38.4933° | W107.7214° | 203275 | View Map | |||||
| Hagerman Tunnel | Tunnel | N39.2539° | W106.4870° | 179814 | View Map | |||||
| Harold D Roberts Tunnel | Tunnel | N39.5717° | W105.8442° | 176196 | View Map | |||||
| Henderson Tunnel | Tunnel | N39.7947° | W106.0117° | 197551 | View Map | |||||
| Homestake Tunnel | Tunnel | N39.3119° | W106.4514° | 179823 | View Map | |||||
| Hoosier Pass Tunnel | Tunnel | N39.3747° | W106.0742° | 202671 | View Map | |||||
| Hunter Tunnel | Tunnel | N39.2337° | W106.6553° | 179762 | View Map | |||||
| Ivanhoe Tunnel | Tunnel | N39.2555° | W106.4836° | 202683 | View Map | |||||
| Laramie Poudre Tunnel | Tunnel | N40.6728° | W105.8314° | 177090 | View Map | |||||
| Leon Tunnel | Tunnel | N39.0666° | W107.8078° | 175383 | View Map | |||||
| McCullough Tunnel | Tunnel | N39.4127° | W106.0744° | 179670 | View Map | |||||
| Missouri Tunnel | Tunnel | N39.3803° | W106.4681° | 202663 | View Map | |||||
| Moffat Tunnel | Tunnel | N39.8942° | W105.7075° | 202779 | View Map | |||||
| Nast Tunnel | Tunnel | N39.2652° | W106.5470° | 179789 | View Map | |||||
| Needle Eye Tunnel | Tunnel | N39.9364° | W105.6592° | 180985 | View Map | |||||
| Old Alpine Tunnel (historical) | Tunnel | N38.6478° | W106.4067° | 203901 | View Map | |||||
| Olympus Tunnel | Tunnel | N40.3755° | W105.4589° | 202485 | View Map | |||||
| Oso Tunnel | Tunnel | N37.0547° | W106.7750° | 169392 | View Map | |||||
| Phillipson Portal | Tunnel | N39.3736° | W106.1789° | 179899 | View Map | |||||
| Pole Hill Tunnel | Tunnel | N40.3744° | W105.3839° | 202484 | View Map | |||||
| Prospect Mountain Tunnel | Tunnel | N40.3611° | W105.5200° | 177904 | View Map | |||||
| Quandary Tunnel | Tunnel | N39.3922° | W106.0734° | 179672 | View Map | |||||
| Rams Horn Tunnel | Tunnel | N40.3375° | W105.5450° | 177902 | View Map | |||||
| Rattlesnake Tunnel | Tunnel | N40.3661° | W105.3050° | 178027 | View Map | |||||
| Roosevelt Tunnel | Tunnel | N38.7189° | W105.1708° | 191267 | View Map | |||||
| Saint John Tunnel | Tunnel | N38.7917° | W105.0144° | 191236 | View Map | |||||
| Saint Vrain Supply Tunnel | Tunnel | N40.2208° | W105.2508° | 202553 | View Map | |||||
| South Fork Tunnel | Tunnel | N39.2401° | W106.5616° | 196860 | View Map | |||||
| Storke Portal | Tunnel | N39.3608° | W106.1753° | 179903 | View Map | |||||
| Strickler Tunnel | Tunnel | N38.8108° | W105.0564° | 191246 | View Map | |||||
| Tunnel Number 1 | Tunnel | N39.7461° | W105.2514° | 2089328 | View Map | |||||
| Tunnel Number 2 | Tunnel | N39.7389° | W105.3211° | 2089329 | View Map | |||||
| Tunnel Number 3 | Tunnel | N39.7414° | W105.3272° | 2089330 | View Map | |||||
| Twin Lakes Reservoir and Canal Company Tunnel Number 1 | Tunnel | N39.0806° | W106.5772° | 180355 | View Map | |||||
| Twin Lakes Reservoir Tunnel Number 2 | Tunnel | N39.1071° | W106.6285° | 169494 | View Map | |||||
| Vasquez Tunnel | Tunnel | N39.7919° | W105.8436° | 181340 | View Map |