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Gunbarrel, CO

Gunbarrel is a peaceful, unincorporated residential community and planned open space haven just northeast of Boulder, Colorado, offering stunning Rocky Mountain views and serene wetlands.

About Gunbarrel

Official Status and Administrative Affiliation

Gunbarrel is an unincorporated community and a census-designated place (CDP) located in and governed by Boulder County, Colorado, United States . It is part of the Boulder, CO Metropolitan Statistical Area. The official name of the community is Gunbarrel, Colorado. It does not have its own municipal government; instead, it is administered by the Boulder County Commissioners . A special district, the Gunbarrel Public Improvement District (GPID), was formed by residents in 1993 to manage growth, purchase open space, and maintain quality of life in the area . The region is known for its stunning natural beauty, with the Rocky Mountains providing a dramatic backdrop, and for its proximity to the city of Boulder, a hub for science, technology, and outdoor recreation.

Founding Date and Age

Gunbarrel is a relatively modern community, officially founded in 1965 . As of 2026, the community is 61 years old. Unlike many older towns, Gunbarrel does not have a founding legend or a single known founder; it developed as a planned residential area to accommodate growth in Boulder County.

Geographic Location and Coordinates

Gunbarrel is located in north-central Colorado at coordinates 40°03′48″N 105°10′17″W . It is situated directly northeast of the city of Boulder, from which it is separated by a buffer of agricultural land and public open space . The community lies on the Colorado Piedmont savanna, at the eastern edge of the Rocky Mountains. The center of Gunbarrel sits at an elevation of 1,610 meters (5,282 feet) above sea level .

City Type and Economic Specialization

Gunbarrel is primarily a residential community and a planned suburban area. Its economy is intrinsically linked to nearby Boulder, with many residents commuting there for work. Its main functions are:

Population and Demographics

According to the 2020 United States Census, the population of the Gunbarrel CDP was 9,554 . With a total area of 16.34 km², the population density is approximately 580 people per square kilometer (1,500 per sq mi). It is classified as a small town or large census-designated place. The population has remained relatively stable over the past few decades, with modest growth .

"Visiting Card" of the City (In a Nutshell)

Gunbarrel is Boulder County's best-kept secret, a tranquil haven where protected wetlands and glassy lakes sit directly against the towering backdrop of the Rocky Mountains. It's a place for peaceful walks, wildlife spotting, and stunning sunset views, offering a quiet, residential escape just minutes from the bustle of Boulder .

Geography

Mountains and Mountain Ranges

While there are no mountains within the Gunbarrel CDP itself, it is dominated by the view of the Front Range of the Rocky Mountains to the west. The most iconic and famous peaks visible from Gunbarrel are the Flatirons, the renowned rock formations that rise just west of Boulder . These are a defining feature of the landscape and a major draw for hikers and climbers from around the world.

Water Bodies (Rivers, Lakes, Waterfalls)

The most significant water features in Gunbarrel are its two reservoirs and the historic irrigation systems that sustain them.

Deserts, Canyons, and Unique Landscapes

There are no deserts or canyons within Gunbarrel. However, the community is surrounded by the unique landscape where the Great Plains meet the Rocky Mountains, creating an abrupt and dramatic elevation gain that is characteristic of this part of Colorado.

National and Nature Parks

Gunbarrel is home to the Twin Lakes Open Space, a large park managed by the Boulder County Parks and Open Space Department . It features protected wetlands, a flat looping trail around the lakes, and is a prime spot for birdwatching and observing wildlife like coyotes, herons, ducks, and turtles . Adjacent to the west lake is Eaton Park, operated by the City of Boulder, which offers picnic facilities and BMX jumps .

Climate and Weather

Climate Type and General Characteristics

Under the Köppen–Geiger climate classification, Gunbarrel features a cold semi-arid climate (BSk) . It is characterized by four distinct seasons with mild temperatures in spring and fall, hot summers, and cold, snowy winters. The area is known for its abundant sunshine, with over 3,500 hours of sunshine annually .

Average Temperatures by Month

The warmest months in Gunbarrel are June, July, and August, with average daily temperatures ranging from 17°C to 20°C (63°F to 68°F). July is the hottest month, with an average high of 31°C (88°F) . The coldest months are December, January, and February, with average daily means ranging from -4°C to -2°C (24°F to 28°F). December is typically the coldest, with an average low of -6°C (21°F) . The highest recorded temperature is around 34°C (93°F), and the lowest on record is approximately -26°C (-14°F) .

Month Average High (°C / °F) Average Low (°C / °F)
January 7°C (45°F) -6°C (21°F)
February 9°C (48°F) -4°C (25°F)
March 13°C (55°F) -1°C (30°F)
April 17°C (63°F) 3°C (37°F)
May 22°C (72°F) 8°C (46°F)
June 28°C (82°F) 12°C (54°F)
July 31°C (88°F) 15°C (59°F)
August 30°C (86°F) 14°C (57°F)
September 25°C (77°F) 10°C (50°F)
October 18°C (64°F) 4°C (39°F)
November 12°C (54°F) -2°C (28°F)
December 7°C (45°F) -6°C (21°F)

*Data sourced from Weather Spark *

Precipitation and Humidity

The average annual precipitation in Gunbarrel is about 678 mm (26.7 inches) . The wettest period is during the spring and early summer. May is by far the wettest month, averaging 134 mm (5.3 inches) of precipitation, much of which comes from afternoon thunderstorms . The driest months are generally December and January, which average only 19-25 mm (0.8-1.0 inch) of precipitation, often in the form of snow . Humidity levels are generally low, especially in the summer, which helps to moderate the high daytime temperatures.

Sunny Days and UV Index

Gunbarrel enjoys an average of 3,515 hours of sunshine per year, with June, July, and August being the sunniest months, averaging nearly 12 hours of sunshine per day . Due to the high altitude and sunny conditions, the UV index can be very high. It reaches extreme levels (11-12) during the summer months of June and July, making sun protection essential .

Seasonality and Best Time to Visit

Specific Weather Phenomena

The primary natural hazard in Gunbarrel is flooding, due to its location near irrigation ditches and reservoirs . Rapid snowmelt or intense summer thunderstorms can lead to flood risks in the area. The area is also subject to occasional severe thunderstorms and snowstorms.

Landmarks and Attractions

Twin Lakes Open Space

This is the premier natural landmark and community gathering space in Gunbarrel. This large park, wrapped around two reservoirs, offers a flat, unpaved trail perfect for walking, jogging, and dog-walking . It is a haven for wildlife, including coyotes, owls, herons, and ducks. Its most spectacular feature is the westward view, providing breathtaking sunset views over the Rocky Mountains and the Flatirons .

Haystack Mountain

While not within Gunbarrel's boundaries, Haystack Mountain is a prominent and well-known local landmark visible from the area. It is a popular and relatively short but steep hike offering panoramic 360-degree views of the surrounding plains, reservoirs, and the Front Range.

Boulder Reservoir

Just a short distance northwest of Gunbarrel, the Boulder Reservoir is a major regional attraction . It features a swim beach, boat ramps, and areas for fishing and picnicking. It hosts various events and triathlons throughout the summer and is a go-to spot for water-based recreation.

Transport

Major Airports in the City and Region

Gunbarrel does not have its own airport. Residents and visitors are served by two major airports in the Denver metropolitan area.

Major Railway Stations and Depots

There are no passenger railway stations in Gunbarrel. The nearest Amtrak station with long-distance service is in Denver.

Public Transport System (Bus)

Public transportation is provided by the Regional Transportation District (RTD) . The primary local route is the 205 bus, which gives service throughout Gunbarrel and connects it to Boulder . Additionally, the RTD regional route J provides a connection during peak hours to the University of Colorado at Boulder and the city of Longmont . The planned RTD B Line commuter rail, when fully built, is intended to have a station in Gunbarrel, providing a direct link to Denver .

Major Highways and Roads

Roads and streets in Gunbarrel are maintained by Boulder County . The community is accessible via local roads that connect to major state highways. State Highway 119 (the Diagonal Highway) runs nearby, linking Boulder and Longmont. Access to Interstate 25, the main north-south corridor through Colorado, is available via Longmont or Denver.

Local Cuisine and Culinary Traditions

Gunbarrel, a charming unincorporated community in Boulder County, offers a selection of local eateries that reflect a blend of modern American comfort food and international flavors. The culinary scene here is characterized by chef-driven concepts, fresh ingredients, and a friendly, neighborhood atmosphere.

Raglin Market

One of Gunbarrel's standout dining destinations is Raglin Market, a chef-driven spot known for its creative sandwiches, salads, and market plates . The menu changes, but highlights frequently mentioned by patrons include the Garlic Shrimp Sandwich, Steak Market Plate, and the Raglin Cubana . The Cubana is described as having "tons of tender flavorful meat, crisp pickles, the perfect amount of cheese, and a really good mustard on a quality bun" .

For breakfast and brunch, popular items include the Cheesecake French Toast, biscuits and gravy, and the garden burrito . Salads are a significant draw, particularly for vegetarians, noted for being "HUGE" and incredibly fresh, with ingredients like arugula, multicolored cherry tomatoes, and a light vinaigrette . The restaurant also offers seasonal specials, such as the in-season Colorado peach cobbler and chocolate chip bread pudding . The atmosphere is described as "quaint and cozy" with outdoor seating, and the staff is consistently praised for being friendly and kind . Raglin Market also has a selection of beer, wine, and cocktails, making it a popular spot for lunch, happy hour, and dinner .

Cafe Blue

Another local favorite is Cafe Blue, a well-established restaurant described as an "excellent local hang out" and a "best kept secret" . Located in a shopping plaza, it offers delicious, mostly American fare. It is particularly noted for its excellent Salmon sandwiches and cozy atmosphere .

Sancho's Gunbarrel Mexican Restaurant

For those craving authentic Mexican cuisine, Sancho's Gunbarrel Mexican Restaurant is a popular choice among locals. It is known for its authentic tacos and, as one local put it, "the best margaritas" .

Museums

Gunbarrel and its immediate vicinity offer unique museum experiences that cater to art lovers and automotive history enthusiasts alike.

Shelby American Collection

A true gem for car enthusiasts is the Shelby American Collection, located in Gunbarrel . Founded in 1996, this museum is dedicated to the legacy of Carroll Shelby and the Shelby American Team. Housed in a roomy venue, the collection exhibits famous midcentury racecars, along with a wealth of photos, artwork, and memorabilia . It's a must-see for anyone interested in high-performance American automobiles and racing history. The museum is open on Saturdays, so planning a visit for that day is essential .

Leaning Tree Museum

Though now closed, the Leaning Tree Museum was a notable art destination in Gunbarrel . Formerly a free museum, it featured a "great cowboy gallery and outdoor garden" with a focus on Wild West art and exquisite statues . Its location made it a worthwhile stop for those in the area, and it was remembered for its friendly staff and interesting gift shop .

Nearby Attractions

Gunbarrel's location in Boulder County also places it within a reasonable drive of world-class museums in the city of Denver. The Denver Art Museum is a prominent attraction, celebrated for its stunning architecture and a diverse collection that includes a wealth of Native American art, as well as modern and contemporary pieces . Additionally, the Cherry Creek State Park offers a natural escape with a variety of outdoor activities just a short drive away .

Sport and Sports Legends

While Gunbarrel itself is not home to major professional sports stadiums, its location within the Boulder area and the state of Colorado provides residents and visitors with access to a wide array of sporting activities and venues.

Nearby Sports and Recreation

For outdoor enthusiasts, the nearby Rocky Mountain National Park is a premier destination for hiking, climbing, and wildlife viewing . In the winter, ski resorts like Echo Mountain and Winter Park are within driving distance, offering skiing and snowboarding opportunities . For those seeking a more curated adventure, companies like Grand Adventures offer guided tours and activities .

Sports Teams in the Region

Sports fans in Gunbarrel can easily follow major professional teams based in the Denver metro area. These include the Denver Broncos (NFL), Colorado Rockies (MLB), Denver Nuggets (NBA), and Colorado Avalanche (NHL). The area also supports strong college sports culture, particularly the University of Colorado Boulder Buffaloes, who compete in the Pac-12 conference.

Universities and Academic Institutions

Gunbarrel is situated in a region renowned for its academic and research institutions. While it does not host a university campus itself, it is in close proximity to one of the nation's leading universities.

The University of Colorado Boulder

The most prominent academic institution in the immediate area is the University of Colorado Boulder (CU Boulder) , a major public research university. As a member of the prestigious Association of American Universities, CU Boulder is known for its strong programs in engineering, physical sciences, law, and business. The university has a rich history, with a faculty and alumni network that includes numerous Nobel laureates, MacArthur Fellows, and astronauts. Its campus is a vibrant hub of activity, offering cultural events, lectures, and Division I sports, with the Colorado Buffaloes competing in the Pac-12 conference.

Healthcare Facilities and Services

Gunbarrel is served by a network of healthcare facilities, ranging from local medical centers to specialized rehabilitation services, many of which are connected to the larger Boulder Community Health system.

Gunbarrel Medical Center

For primary and family medicine, residents can turn to Gunbarrel Medical Center. Located at 6685 Gunpark Dr, this practice specializes in family medicine and is staffed by experienced physicians like Dr. Todd Zoltan, MD . It serves as a convenient local option for routine and specialized medical care.

Mapleton Center Rehabilitation Services

In the realm of specialized care, the Mapleton Center, a division of Boulder Community Health, operates a satellite facility in Gunbarrel. Located at 6685 Gunpark Drive, Suite 130, this center offers a range of rehabilitation services . These include physical therapy, occupational therapy, speed and agility training, and pediatric rehabilitation . The main Mapleton Center in Boulder is renowned for its comprehensive rehabilitation programs, including a unique facility called "Easy Street," which simulates real-world environments to help patients recover from strokes, accidents, and brain injuries . The Gunbarrel satellite extends these vital services to the local community.

CARE Colorado

Gunbarrel is also home to a specialized healthcare provider, CARE Colorado, a clinic focused on reproductive health. This facility provides abortion care, including medical and surgical procedures, with a patient-first philosophy centered on kindness, respect, and comprehensive support . The clinic offers services such as medication abortions, vacuum aspirations, and D&E procedures, ensuring safe and compassionate care for patients from Colorado and other states .

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