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| "Flying F" Observatory |  | | A private observatory near Creede. |
| 7500 Foot Desert Observatory |  | | A private observatory. |
| Abraas Stargate Observatory |  | | A private observatory in Canon City. |
| Antelope Creek Heliophysics Observatory |  | | A private observatory in Colorado Springs. |
| Antelope Hills Observatory |  | | A private observatory near Strasburg. |
| Arriola Observatory |  | | A private observatory near Cortez. |
| Arvada |  | | |
| Aspen Science Center |  | | Science Center in Aspen. |
| Avyatha Observatory |  | | A private observatory. |
| Bald Mountain Observatory |  | | Near Fort Collins. |
| Bar-J Ranch |  | | |
| Bear Dance Observatory |  | | A private observatory near Larkspur. |
| Berthoud |  | | Centered on The Little Thompson Observatory, a public observatory. In the town of Berthoud. |
| Berthoud Pass Trailhead |  | | Centered on the parking lot of the trailhead of Berthoud Pass. |
| Black Canyon of the Gunnison |  | | a National Park and
International Dark Sky Park. Near Montrose. |
| Black Mountain Observatory |  | | A private observatory in Park County, CO. |
| Blackhawk Ranch |  | | A private ranch. |
| Boulder |  | | |
| Boulder Heights Observatory |  | | A private observatory. |
| Breckenridge |  | | A town in Summit county. |
| Brighton |  | | |
| Broomfield |  | | |
| Bull Domingo Astro |  | | A private observatory site near Westcliffe. |
| Burk Astronomical Observatory |  | | A private observatory. |
| Burland Observatory |  | | A private observatory in Park county. |
| CSU-Pueblo Observatory |  | | Observatory of Colorado State University Pueblo.
Site of public star parties. Near Lake Pueblo State Park. |
| Canyon Visitor Center |  | | Visitor center of Dinosaur National Monument. |
| Castle Rock |  | | |
| Centennial |  | | |
 | Chamberlin Observatory |  | | Observatory of
Univerity of Denver. Site of
public observing held by the Denver Astronomical Society. |
| Chimney Rock |  | | An education and archaeological area in San Juan National Forest between Durango and Pagosa Springs. |
| Climax Observatory |  | | An abandoned solar observatory on the property of the the Climax Molybdenum mine. Near Leadville. |
| Cloudbait Observatory |  | | An observatory near Guffey. |
| Colorado National Monument |  | | Centered on Bookcliff View Picnic Area in the Colorado National Monument.
Site of the Colorado West Star Party of the Western Colorado Astronomy Club (WCAC). |
| Colorado Springs |  | | Home of the Colorado Springs Astronomical Society. |
| Colorado State Forest |  | | A State Park. Chart is centered on the North Fork river valley. |
| Copper Mountain |  | | |
| County Road 2C |  | | A spot along County road 2C, between County Road 109 and County Road 34. Approximately between Aroya and Punkin Center. |
| Cripple Creek KOA |  | | Campground near Pikes Peak. |
| Deep Sky Remote Observatory |  | | A private observatory. |
| Deerlodge Park Campground |  | | Campground in Dinosaur National Monument. |
| Denver |  | | |
| Dick Clark Memorial Observatory |  | | Future observatory site of the Northern Colorado Astronomical Society. |
| Divide |  | | |
| Durango |  | | |
| Eagle Observatory |  | | A private observatory near Eagle. |
| Echo Park |  | | Park in Dinosaur National Monument. |
| Elk Creek Visitor's Center |  | | In Curecanti National Recreation Area which is an
International Dark Sky Park. Used by some members of the
Black Canyon Astronomical Society. Forecast covers the western third of Currecanti. |
| Elkhorn Ranch |  | | |
| Elkhorn Ranch |  | | A private ranch. |
| Estes park |  | | |
| Evergreen |  | | In the foothills southwest of Denver. |
| Flagler Reservoir SWA |  | | AKA Flagler Recreation State Area. |
| Fort Collins |  | | Home of the Northern Colorado Astronomical Society and the
Fort Collins Museum of Discovery. |
| Gardner |  | | |
| Gates of Lodore |  | | Campground in Dinosaur National Monument. |
| Gateway |  | | A town in Mesa County. |
| Glacier Basin Campground |  | | Campground in Rocky Mountain National Park and site of the
Continental Divide Webcam. |
| Godin-Goff Memorial Observatory |  | | A private observatory near Hotchkiss. |
| Golden |  | | A town in Jefferson county. |
| Grand Mesa Observatory |  | | A remote astro-imaging observatory. |
| Great Sand Dunes National Park and Preserve |  | | Centered on the amphitheater of the
park.
An International Dark Sky Park. Home of public night sky
programs. |
| Greeley |  | | Home of the University of Northern Colorado. |
| Grouse Gulch |  | | In San Juan National Forest. San Juan County. |
| Gunnison Valley Observatory |  | | A public observatory observatory near Gunnison. |
| High Plains Observatory |  | | A private observatory in Firestone. |
| Horseappleacres Observatory |  | | A private observatory on the Palmer Divide. |
| Hugo |  | | |
| Idlewild Observatory |  | | A private observatory near Englewood. |
| Independence Mountain |  | | A site on BLM land used by the Northern Colorado Astronomical Society. |
| Indian Tree Observatory |  | | A private observatory in Elbert County. |
| Infinity's Edge Observatory - CO |  | | A private observatory. |
| Jackson Lake State Park |  | | State Park designated as an International Dark Sky Park. |
| Karval Reservoir SWA |  | | A State Wildlife Area used by some members of the
Denver Astronomical Society. |
| Kenosha Pass |  | | in Pike National Forest. |
| Keota Star Party |  | | Site of star parties held by the Northern Colorado Astronomical Society (NCAS). |
| Kings Valley Observatory |  | | A private observatory |
| Kline-Dodge Dark Sky Site |  | | The Kline-Dodge dark sky site of the
Denver Astronomical Society near Deer Trail, CO. |
| LEO Scope |  | | Observatory at the
GEODSS Test Bed site near Yoder, Colorado. |
| Lake City |  | | |
| Lake Dillon Observatory |  | | A private observatory near Dillon. |
| Lake Granby (North Shore) |  | | |
| Las Animas |  | | |
| Las Brisas Observatory |  | | Observatory near Pikes Peak. Nearby webcam. |
| Lazy J Observatory |  | | A private observatory. |
| Leadville |  | | |
| Lemon Lake Reservoir |  | | Members of the Four Corners Stargazers observe in the area.
Forecast also covers the Miller Creek Campground. |
| Log Hill Mesa |  | | Used by some members of the Black Canyon Astronomical Society. Near Ridgway. |
| Longmont |  | | |
| Lookout Mountain Observatory |  | | Observatory of the Lookout Mountain Observatory Association. Near Del Norte. |
| Loveland Pass |  | | Centered on the parking lot of Loveland Pass and Grizzly Peak Trailhead. |
| MacPeak Observatory |  | | A private observatory. |
| Matilda's observatory |  | | |
| McCurdy Road |  | | Nearly deserted double T'ed dirt road south of Rush |
| Meeker |  | | |
| Mesa Verde National Park |  | | Centered on the park's headquarters. |
| Meyer-Womble Observatory |  | | Observatory of Denver University on Mt Evans. |
| Milagro Observatory |  | | A private observatory northwest of Cortez. |
| Missouri Gulch Observatory |  | | A private observatory. |
| Moondance |  | | A private site about 10 miles from Kremmling |
| Moss Rock Observatory |  | | A private observatory. |
| Mount Fritz Observatory |  | | A private observatory of a member of the Northern Colorado Astronomical Society. |
| Mount Massive Lakes Observatory |  | | A private observatory. |
| Mountain Sky Observatory |  | | A private observatory. |
| NREL- Solar Radiation Research Laboratory |  | | Laboratory of the National Renewable Energy Laboratory. A private site of the U.S. Department of Energy. |
| Navajo Peak |  | | Centered on the 10000ft summit, this chart covers the general area of Navajo Peak (not a specific observing site). |
| Nederland Observatory |  | | |
| North Raymer |  | | A publicly accesible spot on the south edge of the Pawnee National Grasslands north of Raymer. Used by some members of the Longmont Astronomical Society. |
| North Sterling State Park |  | | State Park. Near Sterling. |
| Old Fort Lewis Observatory |  | | Fort Lewis College Observatory
located at the site of the Old Fort Lewis. |
| Orient Land Trust |  | | Orient Land Trust with astronomy programs. |
| Owl Hollow |  | | A site on public land used by the Northern Colorado Astronomical Society
and the Longmont Astronomical Society. In Weld County. |
| Pagosa Springs |  | | |
| Paint Mines Interpretive Park |  | | Centered on the parking lot of the county park. Near Calhan. |
| Parker |  | | Home of star parties held by the
astronomy department at the Parker campus of
Arapaho Community College. In Douglas county. |
| Paul Plishner Radio Astronomy and Science Center |  | | A site of the Deep Space Exploration Society. Near Haswell |
| Pawnee Buttes Trailhead |  | | Parking lot of a trailhead in Weld County, CO. |
| Peyton |  | | |
| Picketwire Observatory |  | | A private observatory nea The Spanish Peaks. |
| Picture Canyon |  | | A small recreation area with limited camping. |
| Pinon Ridge Observatory |  | | A private observatory. |
| Pinon Wood Ranch Observatory |  | | A private observatory of a member of the
Norwood Dark Sky Advocates (NDSA). |
| Pool Observatory |  | | A private observatory near Delta. |
| Poudre Canyon Observatory |  | | A private observatory. |
| Pueblo West |  | | |
| Ramah State Wildlife Area |  | | A WMA near Ramah, CO. |
| Red Feather Lakes |  | | |
| Ridgway Nature & Science Center |  | | Future nature and science center in Ridgeway. |
| Rocky Mountain Sky Observatory |  | | A private observatory somewhere around Miliken. |
| Rocky Mountain Star Stare |  | | (New position as of 2008-11-29.) A star party held by the Colorado Springs Astronomical Society. Near Gardner. |
| Roxborough Park |  | | Forecast also covers nearby Roxborough State Park. |
| SGPalisadeCO Observatory |  | | A private observatory near Palisade. |
| San Isabel Observatory |  | | A private observatory. |
| San Juan Observatory |  | | A private observatory. |
| Seclusion Ranch |  | | A ranch near Delphi, open to other observers with permission of the owner. |
| Silverton |  | | |
| Singing Mountain Observatory |  | | A private observatory somewhere around Crawford, CO. |
| Sky Mountain Observatory |  | | Near Rosita. |
| Skyline Observatory |  | | A private observatory near Steamboat Springs. |
| Slater Creek Observatory |  | | Future site of private observatory. Near
Florissant Fossil Beds National Monument. |
| Smokey Jack Observatory |  | | Observatory of
Dark Skies, Inc. of the Wet Mountain Valley. Site of their public
star parties. |
| Soapstone Prairie Natural Area |  | | A natural area used as an observing and
starparty site by the
Northern Colorado Astronomical Society (NCAS). Contact NCAS before use. |
| Solar Hills Observatory |  | | A private observatory. |
| Sommers-Bausch Observatory |  | | Observatory of the University of Colorado in Boulder. |
| South Park Observatory |  | | A private observatory. |
| Spring Gulch |  | | An observing site used by the Three Rivers Astronomy Club. About 9 miles from Carbondale. |
| Spruce Mountain Observatory |  | | A private observatory on the Palmer Divide. |
| Star Kyst Observatory |  | | A private observatory near Buena Vista. |
| Stargaizer Ridge Observatory |  | | A private observatory. |
| Stargate Colorado Observatory |  | | a private observatory near Trinidad, CO. |
| Starlight Hills Observatory |  | | A private observatory. |
| Steamboat Lake State Park |  | | State park and site of star parties held by the
Yampa Valley Astronomy Club. |
| Steamboat Springs |  | | Home of the Yampa Valley Astronomy Club. |
| Stone Bridge |  | | Part of the Arkansas Headwaters Recreation Area
administered by Colorado State Parks.
Used by the Arkansas Valley Astronomical Society.
About 7 miles north of Salida. |
| The Cherrywood Observatory |  | | A private observatory in Longmont. |
| The Icebox |  | | A private observing site near Fraser. Also covers Winter Park ski resort. |
| The Mad Professor's Observatory |  | | A private observatory. |
| The Rock Bottom Observatory |  | | Near Allanspark. |
| Tollgate Creek Park |  | | Used by some members of the Colorado Astronomers yahoo group. In Aurora. |
| Trubble Terrestrial Telescope |  | | A private observatory on Coyote Rim Ranch west of Fort Collins. |
| University of Colorado Alpine Observatory |  | | Observatory at the Mountain Research Station of the
University of Colorado. |
| Upper Beaver Meadows |  | | Location
in Rocky Mountain National Park, which is site of
public astronomy events held by the Northern Colorado Astronomical Society. |
| Verdemont Ranch Observatory |  | | A private observatory near Westcliffe. |
| Wardrop Ranch |  | | A private observing site near Kiowa. |
| Warm Springs Ranch |  | | A private site. |
| West Grand High School |  | | High school In Kremmling. |
| Westminster |  | | |
| Whispering Pines Observatory |  | | A private Observatory. |
| Wilkerson Pass |  | | At the Wilkerson Pass Visitors Center. |
| Windy Point Observation Site |  | | Overlook and observing site. Location of
public observing programs held by the
Lake Fork Valley Conservancy.
|
| Wray |  | | |
| Zaug's Observing Site - Sangre De Cristo Ranches |  | | A private observatory. |
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