Portal:Colorado
The Colorado Portal
WikiProject Colorado
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WikiProject Colorado 
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You only need an active interest in the Centennial State.
Request an article about a Colorado topic here or volunteer here.
WikiProject Colorado 
You need not be either an expert or a resident.
You only need an active interest in the Centennial State.
Request an article about a Colorado topic here or volunteer here.
Colorado Events
- Wikimedia US Mountain West Spring 2025 online meeting, Tuesday, May 13, 2025, 8:00-9:00 PM MDT
- Wikimedia US Mountain West Summer 2025 online meeting, Tuesday, August 12, 2025, 8:00-9:00 PM MDT
- Wikimedia US Mountain West Autumn 2025 online meeting, Tuesday, November 11, 2025, 8:00-9:00 PM MST
Previous events:
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Colorado events
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Colorado Facts
- Date admitted to Union: August 1, 1876 (38th State)
- Demonym: Coloradan
- Capital: Denver
- Elected state officers:
- Governor: Jared Polis (D) (2019–)
- Lieutenant Governor: Dianne Primavera (D) (2019–)
- Secretary of State: Jena Griswold (D) (2019–)
- Treasurer: Dave Young (D) (2019–)
- Attorney General: Phil Weiser (D) (2019–)
- Colorado General Assembly:
- Colorado Senate:
- D-23 R-12 (2023–2024}
- Colorado House of Representatives:
- D-46 R-19 (2023–2024}
- Colorado Senate:
- Colorado Supreme Court:
- Brian Boatright, Chief Justice (2021–)
- Monica Márquez (2010-)
- William Hood, III (2014–)
- Richard Gabriel (2015–)
- Melissa Hart (2017–)
- Carlos Samour, Jr (2018–)
- Maria Berkenkotter (2021–)
- U.S. Senators:
- Class 2. John Hickenlooper (D) (2021–)
- Class 3. Michael Bennet (D) (2009–)
- 1. Diana DeGette (D) (1997–)
- 2. Joe Neguse (D) (2019–)
- 3. Lauren Boebert (R) (2021–2025)
- 4. vacant
- 5. Doug Lamborn (R) (2007–2025)
- 6. Jason Crow (D) (2019–)
- 7. Brittany Pettersen (D) (2023-)
- 8. Yadira Caraveo (D) (2023–)
- Total area: 104,094 square miles (269,602 km2) (eighth most extensive state)
- Highest elevation: Mount Elbert 14,440 feet (4,401.2 m) (third highest state)
- Mean elevation: 6,800 feet (2,070 m) (highest state)
- Lowest elevation: Arikaree River 3,317 feet (1,011 m) (highest state)
- Population (2020 census): 5,773,714 (21st most populous state)
- Population density: 55.47 per square mile (21.40 km−2) (39th most densely populated state)
- Number of counties: 64 counties (including two consolidated city and county governments)
- Number of municipalities: 273 municipalities, comprising 2 consolidated city and county governments, 73 cities, and 198 towns
- Time zone: MST=UTC−07, MDT=UTC−06
- USPS code: CO
- ISO 3166 code: US-CO
- Adjacent U.S. states: Wyoming, Nebraska, Kansas, Oklahoma, New Mexico, Arizona, Utah (tied for third most)
- State government website: Colorado.gov
- State tourism website: Colorado.com
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Subcategories
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Featured article - 
There are 17 National Natural Landmarks in U.S. state of Colorado, one of which extends into Wyoming. They cover areas of geological, biological and historical importance, and include lakes, mountains, rock formations and numerous fossil sites. The landmarks are located in 14 of the state's 64 counties. Five counties each contain all or part of two NNLs, while two landmarks are split between two counties. The first two designations, Slumgullion Earthflow and Summit Lake, were made in 1965, while the most recent designation, Glenwood Caverns and Iron Mountain Hot Springs, was made in 2023. Natural Landmarks in Colorado range from 60 to 380,000 acres (24.3 to 153,780.5 ha; 0.1 to 593.8 sq mi) in size. Owners include private individuals and several municipal, state and federal agencies.
The National Natural Landmarks Program is administered by the National Park Service, a branch of the Department of the Interior. The National Park Service determines which properties meet NNL criteria and, after notifying the owners, makes nomination recommendations. The Secretary of the Interior reviews nominations and, based on a set of predetermined criteria, makes a decision on NNL designation or a determination of eligibility for designation. Both public and privately owned properties can be designated as NNLs. Owners may object to the nomination of the property as a NNL. This designation provides indirect, partial protection of the historic integrity of the properties via tax incentives, grants, monitoring of threats, and other means.
(Full article...)Selected mountain -
Grays Peak 14,278 feet (4352 m)
The highest summit of Front Range and the highest point on the Continental Divide in North America.
The highest summit of Front Range and the highest point on the Continental Divide in North America.
Selected biography -
Dr. Caroline Spencer
Selected article -
The contamination of the Denver area by plutonium from the fires and other sources was not publicly reported until the 1970s. According to a 1972 study coauthored by Edward Martell, "In the more densely populated areas of Denver, the Pu contamination level in surface soils is several times fallout", and the plutonium contamination "just east of the Rocky Flats plant ranges up to hundreds of times that from nuclear tests." As noted by Carl Johnson in Ambio, "Exposures of a large population in the Denver area to plutonium and other radionuclides in the exhaust plumes from the plant date back to 1953." (Full article...)
Selected image -
National Parks in Colorado
The 23 national parks in Colorado:
- Amache National Historic Site
- Arapaho National Recreation Area
- Bent's Old Fort National Historic Site
- Black Canyon of the Gunnison National Park
- Browns Canyon National Monument
- Camp Hale-Continental Divide National Monument
- Canyons of the Ancients National Monument
- Chimney Rock National Monument
- Colorado National Monument
- Continental Divide National Scenic Trail
- Curecanti National Recreation Area
- Dinosaur National Monument
- Florissant Fossil Beds National Monument
- Great Sand Dunes National Park and Preserve
- Hovenweep National Monument
- Mesa Verde National Park and World Heritage Site
- Old Spanish National Historic Trail
- Pony Express National Historic Trail
- Rocky Mountain National Park
- Sand Creek Massacre National Historic Site
- Santa Fe National Historic Trail
- Yucca House National Monument
Interesting facts-
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- The sand dunes of Great Sand Dunes National Park and Preserve are the tallest and highest in North America.
- Colorado is home to 4 national parks, 8 national monuments, 2 national recreation areas, 2 national historic sites, 3 national historic trails, 1 national scenic trail, 11 national forests, 2 national grasslands, 41 national wilderness areas, 2 national conservation areas, 8 national wildlife refuges, 66 areas of critical environmental concern, 115 state natural areas, 42 state parks, and 323 state wildlife areas.
- Mesa Verde National Park is the 7th oldest U.S. National Park and the world's first cultural national park.
- Mesa Verde National Park was one of the 12 original UNESCO World Heritage Sites.
- Rocky Mountain National Park is the 9th oldest U.S. National Park.
- Longs Peak in Rocky Mountain National Park is the northernmost 14,000-foot (4,267 m) peak of the Rocky Mountains of North America.
- Trail Ridge Road in Rocky Mountain National Park is the highest continuous highway in North America.
- The Painted Wall rises vertically 2,250 feet (690 m) from the Gunnison River in the Black Canyon.
Did you know (auto-generated) -
- ... that Yemi Mobolade is the first Black person and the first non-Republican to be elected the mayor of Colorado Springs, Colorado?
- ... that environmental journalist Gloria Dickie wrote her thesis on how cities in Colorado changed garbage laws to prevent bear incursions?
- ... that "The Potato King of Colorado" survived a shipwreck, mined for gold in Australia, and helped establish an alcohol-free Methodist colony?
- ... that the 1976 Big Thompson River flood took place several hours before Colorado's 100th anniversary of statehood?
- ... that a volunteer quipped of a Colorado TV station: "We broadcast to more ears of corn and heads of cattle than any other station"?
- ... that Ivan Ivan played for the Eagles and the Eagles?
- ... that the No. 1–ranked 2023 Colorado Mines Orediggers, "college football's nerdiest contender", featured players with pigtails and a drawn-on blue mustache, a friar's haircut, and Harry Potter cosplay?
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