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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 | N40.29165° | W105.67278° | 202504 | View Map | |||||
| Apishapa Arch | Tunnel | N37.34029° | W104.99861° | 194498 | View Map | |||||
| Arrow Tunnel | Tunnel | N39.91360° | W105.75640° | 180953 | View Map | |||||
| August P Gumlick Tunnel | Tunnel | N39.76721° | W105.87807° | 202822 | View Map | |||||
| Aurora Rampart Tunnel Number 1 | Tunnel | N39.43193° | W105.12610° | 169507 | View Map | |||||
| Aurora Rampart Tunnel Number 2 | Tunnel | N39.44249° | W105.08804° | 183375 | View Map | |||||
| Bagley Tunnel | Tunnel | N37.93277° | W107.58117° | 196905 | View Map | |||||
| Bald Mountain Tunnel | Tunnel | N40.35971° | W105.26860° | 178023 | View Map | |||||
| Beavertail Mountain Tunnel | Tunnel | N39.19720° | W108.27147° | 174421 | View Map | |||||
| Blanco Tunnel | Tunnel | N37.13612° | W106.81142° | 1947479 | View Map | |||||
| Carlton Tunnel | Tunnel | N38.68860° | W105.18248° | 191265 | View Map | |||||
| Ceresco Ridge Portal | Tunnel | N39.36777° | W106.17780° | 179901 | View Map | |||||
| Chapman Tunnel | Tunnel | N39.25111° | W106.60923° | 202676 | View Map | |||||
| Charles H Boustead Tunnel | Tunnel | N39.26332° | W106.47725° | 202678 | View Map | |||||
| Denver Tunnel | Tunnel | N37.69195° | W106.95782° | 190553 | View Map | |||||
| Dille Tunnel | Tunnel | N40.41776° | W105.23387° | 177701 | View Map | |||||
| Duffy Tunnel | Tunnel | N40.42997° | W107.86174° | 171326 | View Map | |||||
| Eisenhower Memorial Tunnel | Tunnel | N39.67971° | W105.92085° | 181816 | View Map | |||||
| Golden Belt Tunnel | Tunnel | N39.69193° | W105.77417° | 181840 | View Map | |||||
| Granite Adit | Tunnel | N39.26832° | W106.55364° | 179790 | View Map | |||||
| Gunnison Tunnel | Tunnel | N38.49332° | W107.72145° | 203275 | View Map | |||||
| Hagerman Tunnel | Tunnel | N39.25388° | W106.48697° | 179814 | View Map | |||||
| Harold D Roberts Tunnel | Tunnel | N39.57165° | W105.84418° | 176196 | View Map | |||||
| Henderson Tunnel | Tunnel | N39.79471° | W106.01168° | 197551 | View Map | |||||
| Homestake Tunnel | Tunnel | N39.31193° | W106.45142° | 179823 | View Map | |||||
| Hoosier Pass Tunnel | Tunnel | N39.37471° | W106.07419° | 202671 | View Map | |||||
| Hunter Tunnel | Tunnel | N39.23367° | W106.65534° | 179762 | View Map | |||||
| Ivanhoe Tunnel | Tunnel | N39.25554° | W106.48364° | 202683 | View Map | |||||
| Laramie Poudre Tunnel | Tunnel | N40.67276° | W105.83140° | 177090 | View Map | |||||
| Leon Tunnel | Tunnel | N39.06665° | W107.80784° | 175383 | View Map | |||||
| McCullough Tunnel | Tunnel | N39.41270° | W106.07437° | 179670 | View Map | |||||
| Missouri Tunnel | Tunnel | N39.38027° | W106.46808° | 202663 | View Map | |||||
| Moffat Tunnel | Tunnel | N39.89415° | W105.70750° | 202779 | View Map | |||||
| Nast Tunnel | Tunnel | N39.26521° | W106.54705° | 179789 | View Map | |||||
| Needle Eye Tunnel | Tunnel | N39.93638° | W105.65917° | 180985 | View Map | |||||
| Old Alpine Tunnel (historical) | Tunnel | N38.64777° | W106.40669° | 203901 | View Map | |||||
| Olympus Tunnel | Tunnel | N40.37554° | W105.45888° | 202485 | View Map | |||||
| Oso Tunnel | Tunnel | N37.05473° | W106.77504° | 169392 | View Map | |||||
| Phillipson Portal | Tunnel | N39.37360° | W106.17891° | 179899 | View Map | |||||
| Pole Hill Tunnel | Tunnel | N40.37443° | W105.38388° | 202484 | View Map | |||||
| Prospect Mountain Tunnel | Tunnel | N40.36109° | W105.52000° | 177904 | View Map | |||||
| Quandary Tunnel | Tunnel | N39.39221° | W106.07335° | 179672 | View Map | |||||
| Rams Horn Tunnel | Tunnel | N40.33748° | W105.54500° | 177902 | View Map | |||||
| Rattlesnake Tunnel | Tunnel | N40.36610° | W105.30499° | 178027 | View Map | |||||
| Roosevelt Tunnel | Tunnel | N38.71888° | W105.17082° | 191267 | View Map | |||||
| Saint John Tunnel | Tunnel | N38.79165° | W105.01442° | 191236 | View Map | |||||
| Saint Vrain Supply Tunnel | Tunnel | N40.22082° | W105.25082° | 202553 | View Map | |||||
| South Fork Tunnel | Tunnel | N39.24009° | W106.56159° | 196860 | View Map | |||||
| Storke Portal | Tunnel | N39.36082° | W106.17530° | 179903 | View Map | |||||
| Strickler Tunnel | Tunnel | N38.81082° | W105.05637° | 191246 | View Map | |||||
| Tunnel Number 1 | Tunnel | N39.74611° | W105.25139° | 2089328 | View Map | |||||
| Tunnel Number 2 | Tunnel | N39.73889° | W105.32111° | 2089329 | View Map | |||||
| Tunnel Number 3 | Tunnel | N39.74139° | W105.32722° | 2089330 | View Map | |||||
| Twin Lakes Reservoir and Canal Company Tunnel Number 1 | Tunnel | N39.08058° | W106.57722° | 180355 | View Map | |||||
| Twin Lakes Reservoir Tunnel Number 2 | Tunnel | N39.10707° | W106.62853° | 169494 | View Map | |||||
| Vasquez Tunnel | Tunnel | N39.79193° | W105.84362° | 181340 | View Map |