Boulder is a home rule city in and the county seat of Boulder County, Colorado, United States. With a population of 108,250 at the 2020 census, it is the most-populous city in the county and the 12th-most populous city in Colorado. Boulder is the principal city of the Boulder metropolitan statistical area, which had 330,758 residents in 2020, and is part of the Front Range Urban Corridor.
The Laboratory for Atmospheric and Space Physics (LASP) is a research organization at the University of Colorado Boulder. LASP is a research institute with over one hundred research scientists ranging in fields from solar influences, to Earth's and other planetary atmospherics processes, space weather, space plasma and dusty plasma physics. LASP has advanced technical capabilities specializing in designing, building, and operating spacecraft and spacecraft instruments.
The Leeds School of Business is a college of the University of Colorado Boulder in the United States, established 1906. As of April 2022, the school reports an enrollment of over 3800 undergraduate students. In 2001, the college was named for the Leeds family, spearheaded by alumnus Michael Leeds of New York, who committed $35 million to the school. Vijay Khatri is the current dean.
Longmont High School is the original high school of the city of Longmont, Colorado, United States, and opened its doors to students in 1901. The school is located in central Longmont and serves as a high school for the St. Vrain Valley School District.
The Marfell Lakes (1 and 2) are reservoirs in Boulder County near Lafayette-Louisville in the U.S. state of Colorado. The altitude is 5,223 feet (1,592 m).
Mills Glacier is an alpine glacier near the base of the east mountain face of Longs Peak, in Rocky Mountain National Park in the U.S. state of Colorado.
Monarch High School (MHS) is a secondary school located in Louisville, Colorado, and is part of the Boulder Valley School District. The school was named a John Irwin School of Excellence for the 2004–2005 school year. In 2007, Monarch was named the Sixth Best High School in the Denver Metro Area by 5280 Magazine. As of 2015, Newsweek magazine ranked the high school 356th in the US, out of the top 500.
Moomaw Glacier is an alpine glacier in Rocky Mountain National Park in the U.S. state of Colorado. Moomaw Glacier is almost 1 mi (1.6 km) northeast of Isolation Peak and the old terminal moraine of the glacier impounds Frigid Lake.
Mount Alice is a high mountain summit in the northern Front Range of the Rocky Mountains of North America. The 13,315-foot (4,058 m) thirteener is located in the Rocky Mountain National Park Wilderness, 12.0 miles (19.3 km) southwest by south (bearing 217°) of the Town of Estes Park, Colorado, United States, immediately east of the Continental Divide between Boulder and Grand counties. Just who the namesake Alice was is unclear, but according to one source she was likely a "woman of ill repute".
New Vista is a small public high school in Boulder, Colorado, United States. It was founded in 1993 by Rona Wilensky.
North Arapaho Peak is the highest summit of the Indian Peaks in the northern Front Range of the Rocky Mountains of North America. The 13,508-foot (4,117 m) thirteener is located in the Indian Peaks Wilderness, 7.8 miles (12.6 km) west-southwest (bearing 245°) of the Town of Ward, Colorado, United States, on the Continental Divide separating Roosevelt National Forest and Boulder County from Arapaho National Forest and Grand County.
The Old Stone Congregational Church, also known as the First Congregational Church of Lyons, is a historic church in Lyons, Colorado, built in 1894-5 and listed on the National Register of Historic Places in 1976.
Peak to Peak Charter School is a K-12 public charter school offering a liberal arts, college-preparatory curriculum. Peak to Peak is located in the Boulder Valley School District (BVSD) in Lafayette, Colorado, United States.
The Pearl Street Mall (also referred to as Pearl Street, or Downtown Boulder) is a four-block pedestrian mall in Boulder, Colorado, United States. The pedestrian area stretches from 11th Street to 15th Street along Pearl Street and is home to a number of businesses and restaurants as well as the Boulder County Courthouse.
Ryssby Church is a church located outside of Longmont, Boulder County, Colorado. The church was built in 1882 by Swedish immigrants, although it fell into disuse between 1914 and 1924. A dedicated committee from the First Evangelical Lutheran Church, the descendant congregation of the Ryssby and Elim churches, maintains the church, organizes events, and funds continuous improvement projects. The church hosts weddings, church picnics, an annual Midsummer service, and Christmas candlelight services in early December.
Salina is a former mining town in Boulder County, Colorado, United States, approximately 7 miles (11 km) west of Boulder. Established in 1874, after Colorado's first gold discovery in 1859, Salina was founded by miners who migrated to Boulder from Salina, Kansas. It is located at the junction of Four Mile Canyon and Gold Run roads. The mining camp was originally accessible only by horseback or wagons pulled by mules but later became part of Colorado's Switzerland Trail when the Greeley, Salt Lake, & Pacific narrow gauge railroad was built in the early 1880s. Today, most of Salina's original structures still stand, including the one-room schoolhouse, Salina School, and church, the Little Church in the Pines, despite some impact from the Fourmile Canyon wildfire in 2010 and historic flooding during the 2013 Colorado floods.
Silver Creek High School is a public high school located in Longmont, Colorado. It is part of the St. Vrain Valley School District. Silver Creek hosts Universal High School, an independent learning program, and the Silver Creek Leadership Academy.
Skyline High School is a public high school in Longmont, Colorado, United States. It is part of the St. Vrain Valley School District. Current enrollment at the school is approximately 1260 students, in grades 9-12. The school mascot is the Falcon, and the school colors are red and yellow.
Sommers–Bausch Observatory is an astronomical observatory located on and owned by University of Colorado Boulder. The building was initially completed in 1953 and named after Elmer E. Sommers and Carl L. Bausch.
The Dove is a small cirque glacier or perennial snowfield located in Rocky Mountain National Park in the U.S. state of Colorado. The Dove is on the north slope of Longs Peak and near The Keyhole, which is along a popular climbing route to the summit.
The Thunder Lake Patrol Cabin is a small structure in Rocky Mountain National Park, Colorado. Built in 1930, the 12-foot (3.7 m) by 16-foot (4.9 m) cabin may have been built as a simple shelter, but has more recently been used on an occasional basis as a backcountry patrol cabin in the Wild Basin area. The one story one-room log cabin is not used in the winter, but does have a stove with a stone fireplace. The main cabin is gable-roofed, with a small shed-roofed porch, and is a good example of the National Park Service rustic style. The logs are saddle-notched, projecting an increasing distance at their ends from top to bottom.
Twenty Ninth Street is a retail center in Boulder, Colorado (managed by The Macerich Company) that opened on October 13, 2006 on the former site of Crossroads Mall.
Vance Brand Airport (ICAO: KLMO, FAA LID: LMO, formerly AMR) is a city-owned public-use airport located three nautical miles (6 km) southwest of the central business district of Longmont, in Boulder County, Colorado, United States. The Airport is named after former NASA astronaut Vance Brand.
Mount Meeker is a high mountain summit of the Twin Peaks Massif in the northern Front Range of the Rocky Mountains of North America. The 13,916-foot (4,242 m) thirteener is located in the Rocky Mountain National Park Wilderness, 4.8 miles (7.7 km) west by north (bearing 285°) of the community of Allenspark in Boulder County, Colorado, United States.
The City of Lafayette () is a home rule municipality located in southeastern Boulder County, Colorado, United States. The city population was 30,411 at the 2020 United States Census.
Green Mountain is a mountain summit on the eastern flank of the Front Range of the Rocky Mountains of North America. The 8,148-foot (2,484 m) peak is located in Boulder Mountain Park, 4.2 miles (6.8 km) southwest by south (bearing 219°) of downtown Boulder in Boulder County, Colorado, United States. The mountain is renowned for the Flatirons rock formations on its eastern flank.
Mount Audubon is a high mountain summit of the Indian Peaks in the northern Front Range of the Rocky Mountains of North America. The 13,229-foot (4,032 m) thirteener is located in the Indian Peaks Wilderness of Roosevelt National Forest, 5.6 miles (9.0 km) west-northwest (bearing 287°) of the Town of Ward in Boulder County, Colorado, United States. The mountain was named in honor of John James Audubon.
Niwot High School (NHS) is a public high school located in Niwot, Colorado. It is the International Baccalaureate high school of the St. Vrain Valley School District.
Longmont United Hospital is an acute hospital in Longmont, Colorado, United States.
The Boulder Public Library is the public library of Boulder, Colorado in the United States. The main branch and the Carnegie Branch Library for Local History are located in downtown Boulder, while the George Reynolds Branch is in south Boulder and Meadows Branch is in east Boulder.
Gross Reservoir, located in Boulder County, Colorado, is owned and operated by Denver Water. Completed in 1954, the reservoir has a surface area of 440 acres (180 ha), and the spillway sits at 7,225 feet (2,202 m) elevation. The reservoir is undergoing an expansion project.
The Little Church in the Pines is a c. 1902-1908 building in the former mining town of Salina in Boulder County, Colorado. The church held regular Sunday School classes for children, and services whenever a traveling minister came to town. As the mining boom came to an end and the town's population shrunk, the building fell into disuse, and briefly served as a mine office before being abandoned. In 1948 it was purchased by a neighborhood group and has been used ever since for nondenominational worship and community events. The Little Church in the Pines was placed on the National Register of Historic Places in 1989.
UNAVCO was a non-profit university-governed consortium that facilitated geology research and education using geodesy.
Mount Jasper is a 12,923-foot (3,939 m) mountain summit on the boundary shared by Boulder County and Grand County, in Colorado, United States.
Navajo Peak is a 13,409-foot (4,087 m) mountain summit on the boundary shared by Boulder County and Grand County, in Colorado, United States.
Pagoda Mountain is a 13,497-foot-elevation (4,114-meter) mountain summit in Boulder County, Colorado, United States.
The Miller House was built by Lafayette, Colorado's town founder Mary Miller. Miller arrived in Colorado in 1863 and after discovering coal on her land, she opened a mine and in 1888 established the coal town of Lafayette. She made charitable donations to coal mining families and the town. The Miller House was built in the late 1880s in the center of the original 150-acre townsite. She operated a school in her house on East Cleveland Street until she established the town's first school.
Arnett-Fullen House also known as the Gingerbread House, is located on 646 Pearl Street in Boulder, Colorado and is on the list of the National Register of Historic Places listings in Boulder County, Colorado since 2009. This house features a mixture of architectural styles and is a two-story, private residency, which is sometimes open to the public.
The Ginacci House, at 1116 LaFarge St. in Louisville, Colorado, was built around 1908. It was listed on the National Register of Historic Places in 1986. It is a one-story masonry house with a hipped roof, having two arched doors and two arched windows on its front facade. Gingerbread trim decorates a front porch and a gable in the center of the roof.
The Longmont Carnegie Library, at 457 Fourth Ave. in Longmont, Colorado, is a Carnegie library which was completed in 1913. It was listed on the National Register of Historic Places in 1992, and was included as a contributing building in the Downtown Longmont Historic District in 2017.
The Officer Eric H. Talley Post Office Building, also known as the Boulder Post Office or Boulder Main Post Office, at 1905 Fifteenth St. in Boulder, Colorado, was built in 1910. It was listed on the National Register of Historic Places as US Post Office—Boulder Main in 1986. On August 4, 2022, following the 2021 Boulder shooting, the building was dedicated in honor of police officer Eric Talley, who was killed while responding to the shooting. Local Congressman Joe Neguse introduced the legislation to rename the post office in the months following the shooting, which was signed into law in March of 2022.
The Bunce School, near Allenspark, Colorado near the Continental Divide in Boulder County, Colorado, is a historic one-room schoolhouse built in 1888. It was listed on the National Register of Historic Places in 1986.
The Gold Miner Hotel or Goldminer Hotel, at 601 Klondyke Ave. in Eldora, Colorado in Boulder County, Colorado, was built in 1898. It was listed on the National Register of Historic Places in 1997, and the registration's property borders were amended in 2007.
The First Baptist Church of Boulder, at 1237 Pine St. in Boulder, Colorado, was built in 1925-26. It was listed on the National Register of Historic Places in 2004. It is a brick L-shaped building "central three-story square tower is located at the inside corner of the "L" and has the pointed arch main entrance with heavy, paneled, glazed, wooden, double doors. The tower is topped with a pre-cast concrete belfry with such ornate details as a crenellated parapet, quatrefoils, corner piers, and large lancet openings with smaller lancet shapes in the tracery."
Ward is a home rule municipality in Boulder County, Colorado, United States. The population was 128 at the 2020 census. The town is a former mining settlement founded in 1860 in the wake of the discovery of gold at nearby Gold Hill. Once one of the richest towns in the state during the Colorado Gold Rush, it is located on a mountainside at the top of Left Hand Canyon, near the Peak to Peak Highway (State Highway 72) northwest of Boulder at an elevation of 9,450 feet (2,880 m) above sea level.
Barker Reservoir is a water supply reservoir in the Colorado Front Range located near the town of Nederland, Colorado in southwestern Boulder County.
The US National Center for Atmospheric Research (NCAR ) is a US federally funded research and development center (FFRDC) managed by the nonprofit University Corporation for Atmospheric Research (UCAR) and funded by the National Science Foundation (NSF). NCAR has multiple facilities, including the I. M. Pei-designed Mesa Laboratory headquarters in Boulder, Colorado. Studies include meteorology, climate science, atmospheric chemistry, solar-terrestrial interactions, environmental and societal impacts.
Niwot is an unincorporated town, a post office, and a census-designated place (CDP) located in and governed by Boulder County, Colorado, United States. The CDP is a part of the Boulder, Colorado Metropolitan Statistical Area. The Niwot post office has the ZIP Codes 80503 and 80544 (for post office boxes). At the United States Census 2020, the population of the Niwot CDP was 4,306.
Longmont is a home rule municipality located in Boulder and Weld counties, Colorado, United States. Its population was 98,885 as of the 2020 U.S. Census. Longmont is located northeast of the county seat of Boulder. It is named after Longs Peak, a prominent mountain that is clearly visible from the city (mont means "mountain" in French).
The City of Louisville ( ) is a home rule municipality located in southeastern Boulder County, Colorado, United States. The city population was 21,226 at the 2020 United States Census. Louisville began as a mining community in 1877, experienced a period of labor violence early in the 20th century, and transitioned to a suburban residential community when the mines closed in the 1950s.
Superior is a statutory town in Boulder County, Colorado, United States, with a small, uninhabited segment of land area extending into Jefferson County. According to the 2020 census, the population of the city was 13,094.
Nederland (, NED-ər-lənd) is a statutory town located near Barker Meadow Reservoir in the foothills of southwest Boulder County, Colorado, United States. As of the 2020 United States Census it had a population of 1,471.
The Flatirons are rock formations in the western United States, near Boulder, Colorado, consisting of flatirons. There are five large, numbered Flatirons ranging from north to south (First through Fifth, respectively) along the east slope of Green Mountain (elev. 8,148 ft or 2,484 m), and the term "The Flatirons" sometimes refers to these five alone. Numerous additional named Flatirons are on the southern part of Green Mountain, Bear Peak, and among the surrounding foothills.
Longs Peak is a high and prominent mountain in the northern Front Range of the Rocky Mountains of North America. The 14,259-foot (4346 m) fourteener is located in the Rocky Mountain National Park Wilderness, 9.6 miles (15.5 km) southwest by south (bearing 209°) of the Town of Estes Park, Colorado, United States. Longs Peak is the northernmost fourteener in the Rocky Mountains of Colorado and the highest point in Boulder County and Rocky Mountain National Park. The mountain was named in honor of explorer Stephen Harriman Long and is featured on the Colorado state quarter.
Eldora (pronounced el-DOH-ruh), previously known as "Eldorado" then "El-Dora", then Eldora or Camp Eldorado, and still called Happy Valley, is an unincorporated community and a census-designated place (CDP) located in and governed by Boulder County, Colorado, United States. The CDP is a part of the Boulder, CO Metropolitan Statistical Area. The population of the Eldora CDP was 140 at the United States Census 2020. The Nederland post office (Zip Code 80466) serves the area.
Gold Hill is an unincorporated community and a census-designated place (CDP) located in and governed by Boulder County, Colorado, United States. The CDP is a part of the Boulder, CO Metropolitan Statistical Area. The population of the Gold Hill CDP was 218 at the United States Census 2020. The Boulder post office (Zip Code 80302) serves the area.
JILA, formerly known as the Joint Institute for Laboratory Astrophysics, is a physical science research institute in the United States. JILA is located on the University of Colorado Boulder campus. JILA was founded in 1962 as a joint institute of The University of Colorado Boulder and the National Institute of Standards & Technology.
The historic Town of Jamestown is a Statutory Town in Boulder County, Colorado, United States. The population was 256 at the 2020 United States Census, down from 274 in 2010. It was named for James Smith, an early discoverer of gold. Jamestown was hit hard by the September 2013 Colorado floods when the town was isolated due to road damage from the rains and the flooding of James Creek. Under a mandatory evacuation order, most residents were airlifted to safety under the direction of the Colorado National Guard to nearby Boulder.
Gunbarrel is an unincorporated community and a census-designated place (CDP) located in and governed by Boulder County, Colorado, United States. The CDP is a part of the Boulder, CO Metropolitan Statistical Area. The population of the Gunbarrel CDP was 9,554 at the United States Census 2020. The Boulder (Zip Code 80301) and Longmont (Zip Code 80503) post offices serve the area.
Lyons is a Statutory Town in Boulder County, Colorado, United States. The town population was 2,209 at the 2020 United States Census, up from 2,033 at the 2010 United States Census. Lyons is located at the confluence of North St. Vrain Creek and South St. Vrain Creek, 20 miles (32 km) east of Rocky Mountain National Park. Due to its location at the intersection of State Highway 7 and U.S. Highway 36 which lead to Rocky Mountain National Park, it is sometimes referred to as "The Double Gateway to the Rockies".
Eldorado Springs is an unincorporated community, a census-designated place (CDP) and a post office located in and governed by Boulder County, Colorado, United States. The CDP is a part of the Boulder, CO Metropolitan Statistical Area. The Eldorado Springs post office has the ZIP code 80025 (post office boxes). At the 2020 United States census, the population of the Eldorado Springs CDP was 559.
The National Solar Observatory (NSO) is a United States federally funded research and development center to advance the knowledge of the physics of the Sun. NSO studies the Sun both as an astronomical object and as the dominant external influence on Earth. NSO is headquartered in Boulder and operates facilities at a number of locations – at the 4-meter Daniel K. Inouye Solar Telescope in the Haleakala Observatory on the island of Maui, at Sacramento Peak near Sunspot in New Mexico, and six sites around the world for the Global Oscillations Network Group one of which is shared with the Synoptic Optical Long-term Investigations of the Sun.
Allenspark is an unincorporated town, a post office, and a census-designated place (CDP) located in and governed by Boulder County, Colorado, United States. The CDP is a part of the Boulder, CO Metropolitan Statistical Area. The Allenspark post office has the ZIP code 80510. At the United States Census 2020, the population of the Allenspark CDP was 568.
Naropa University is a private university in Boulder, Colorado. Founded in 1974 by Tibetan Buddhist teacher Chögyam Trungpa, it is named after the 11th-century Indian Buddhist sage Naropa, an abbot of Nalanda. The university describes itself as Buddhist-inspired, ecumenical, and nonsectarian rather than Buddhist. Naropa promotes non-traditional activities like meditation to supplement traditional learning approaches.
Folsom Field is an outdoor college football stadium in the western United States, located on the campus of the University of Colorado in Boulder. It is the home field of the Colorado Buffaloes of the Pac-12 Conference.
Hygiene is an unincorporated community with a U.S. Post Office in Boulder County, Colorado, United States. Application for the first Hygiene Post Office was made by Jacob Stoner Flory of the United Church of the Brethren on May 28, 1883. Originally named Pella, the community's present name stems from a time when it had a sanatorium to work with tuberculosis patients. St. Vrain Church of the Brethren, a historic Church of the Brethren congregation, is located in the town.
Boulder Municipal Airport (IATA: WBU, ICAO: KBDU, FAA LID: BDU) is a public airport located 3 miles (4.8 km) northeast of the central business district of Boulder, a city in Boulder County, Colorado, United States. It is owned by the City of Boulder and used almost exclusively for general aviation. Its location in the foothills of the Rockies east of the continental divide gives excellent conditions for soaring, and there is extensive gliding activity. It is the base of the Soaring Society of Boulder.
The University of Colorado Museum of Natural History is a museum of natural history in Boulder, Colorado. With more than four million artifacts and specimens in the areas of anthropology, botany, entomology, paleontology and zoology, the museum houses the most extensive natural history collection in the Rocky Mountain region. In 2003, the University of Colorado Museum received accreditation by the American Alliance of Museums.