Boulder County is a county located in the U.S. state of Colorado of the United States. As of the 2020 census, the population was 330,758. The most populous municipality in the county and the county seat is Boulder.
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.
Fourmile Canyon or Four Mile Canyon is a mountainous canyon in western Boulder County, Colorado that channels a stream known as Fourmile Creek or Four Mile Creek .). The stream rises at 40.048°N 105.550°W on the southern slope of Niwot Mountain, before flowing east and south through the unincorporated communities of Sunset, Wallstreet, Salina and Crisman to the confluence with Boulder Creek at 40.015°N 105.324°W in Boulder Canyon, four miles west of the historic location of the Boulder Railroad Depot.
The Cerro Grande Fire was a prescribed-burn forest fire in Los Alamos, New Mexico, United States of America, that occurred in May of 2000. The fire started as a controlled burn on May 4, 2000, and became uncontrolled owing to high winds and drought conditions. Over 400 families in the town of Los Alamos, New Mexico, lost their homes in the resulting 47,000 acre fire. Structures at Los Alamos National Laboratory were also destroyed or damaged, although without loss or destruction of any of the special nuclear material housed there. No loss of human life occurred. The US General Accounting Office estimated total damages at $1 billion.
Poudre Wilderness Volunteers (PWV) is a volunteer group that assists the Canyon Lakes Ranger District of the US Forest Service (USFS). Poudre Wilderness Volunteers recruits and trains volunteers to serve as wilderness rangers and hosts for the purpose of educating the public and providing other support to the USFS.
The Las Conchas Fire was a large wildfire in the state of New Mexico, in the United States, in 2011. The fire started in Santa Fe National Forest and burned more than 150,000 acres, threatening Los Alamos National Laboratory and the town of Los Alamos. After five days of burning, it became the largest wildfire in New Mexico state history at the time. It was surpassed in 2012 by the much larger Whitewater-Baldy Complex Fire and in 2022 by the Calf Canyon/Hermits Peak Fire and the Black Fire making the Las Conchas Fire the fourth-largest fire in New Mexico's recorded history.
The Waldo Canyon fire was a forest fire that started approximately 4 miles (6.4 km) northwest of Colorado Springs, Colorado on June 23, 2012, and was declared 100 percent contained on July 10, 2012, after no smoke plumes were visible on a small portion of the containment line on Blodgett Peak. The fire was active in the Pike National Forest and adjoining areas, covering a total of 18,247 acres. The fire had caused the evacuation of over 32,000 residents of Colorado Springs, Manitou Springs and Woodland Park, several small mountain communities along the southwestern side of U.S. Highway 24, and partial evacuation of the United States Air Force Academy. There were 346 homes destroyed by the fire. U.S. Highway 24, a major east–west road, was closed in both directions. The Waldo Canyon Fire resulted in insurance claims totaling more than US $453.7 million. It was the most destructive fire in Colorado state history, as measured by the number of homes destroyed, until the Black Forest Fire surpassed it almost a year later when it consumed 486 homes and damaged 28 others.
The 2012 Colorado wildfires were an unusually devastating series of Colorado wildfires, including several separate fires that occurred throughout June, July, and August 2012. At least 34,500 residents were evacuated in June.
The Powerhouse Fire was a wildfire in northern Los Angeles County, California, mostly in the Angeles National Forest. It started at approximately 3:30 PM on May 30, 2013. It was 100% contained by June 10, 2013.
The Manzanita Fire was a wildfire that burned south of the towns of Beaumont and Banning near Highway 79 in Riverside County, California during June 2017. The fire had consumed some 6,309 acres (2,553 ha) and was burning eastward towards the community of Poppet Flats and Highway 243. Fanned by Red Flag conditions, the Manzanita fire ignited from a traffic collision that grew to over 1,200 acres (490 ha) within several hours of burning. The communities of Poppet Flats, Silent Valley and Highland Springs were threatened for a time but no structural damage occurred during this incident. The fire was fully contained on Friday, June 30.
The Sand Fire was a wildfire that burned in the area of Rumsey northwest of Guinda in Yolo County, California in the United States. The fire started on Saturday, June 8, 2019, at County Road 41 and Highway 16 and burned 2,512 acres (1,017 ha) as well as seven structures. The fire was fully contained as of 7:27 am on June 15, 2019. The cause of the fire remains under investigation. The fire was the first major incident of the season, in what fire officials claimed to be an indicator of the fire season to come.
The Tick Fire was a wildfire that burned in Los Angeles County, California. The fire broke out on October 24, 2019, and burned several thousand acres. The fire forced the mass evacuation of 40,000 people from the Santa Clarita Valley.
The 2020 Washington wildfire season officially began in March 2020. The season was a part of the 2020 Western United States wildfires. By September, wildfires had burned over 713,000 acres, 181 homes had been lost, and one death occurred as a result. The 2020 fire season saw more individual fires than in any other recorded year.
The Apple Fire was a wildfire that burned during the 2020 California wildfire season in Cherry Valley south of Oak Glen and north of Beaumont and Banning in Riverside County, California in the United States. The fire ignited on Friday, July 31, 2020 as three separate smaller blazes within the rural canyons along Oak Glen Road before merging and rapidly expanded to 1,900 acres (769 ha) and destroyed at least one home and two outbuildings in the Cherry Valley area. It now covers at least 33,424 acres (13,526 ha) and created "a plume of smoke so massive that it generated its own winds." The fire was sparked by a diesel-burning vehicle that emitted burning carbon. The fire was named after one of the roadways close to the ignition site, which is named Apple Tree Lane.
The Cameron Peak fire was a wildfire that started near Chambers Lake, Colorado, 25 miles (40 km) east of Walden and 15 miles (24 km) southwest of Red Feather Lakes near Cameron Pass on August 13, 2020, and was declared 100% contained on December 2, 2020. The fire burnt 208,663 acres through the Arapaho and Roosevelt National Forests in Larimer and Jackson Counties and Rocky Mountain National Park. At its peak, the fire forced the evacuation of over 6,000 residents in Estes Park, Chambers Lake, Rustic, Glacier View Meadows, Red Feather Lakes, Masonville, Glen Haven, Spring Canyon, various small communities along Highway 14, Stove Prairie Landing Road, as well as the Colorado State University Mountain Campus and had over 1,000 personnel fighting the fire. 469 structures were destroyed by the fire, including 220 outbuildings and 42 primary residences. The fire became the largest wildfire in Colorado history, surpassing the Pine Gulch Fire, which had set the same mark just seven weeks prior.
The Marshall Fire was a destructive wildfire and urban conflagration that started on December 30, 2021, shortly after 11:00 a.m. MST, as a grass fire in Boulder County, Colorado. The fire killed two people and destroyed more than 991 structures to become the most destructive fire in Colorado history. It began in two places and was neither caused by criminal negligence nor intentional. As a result of the fire 37,500 people were evacuated.
The Electra Fire was a wildfire that burned northeast of Mokelumne Hill in Amador and Calaveras Counties, California that started on July 4, 2022. The wildfire burned a total of 4,478 acres (1,812 ha) and was fully contained on July 28, 2022.
The Fairview Fire is a deadly and destructive wildfire that burned during the 2022 California wildfire season southwest of Valle Vista and east of Hemet in Riverside County, California in the United States. The fire ignited on September 5, 2022, during a severe heatwave that had plagued much of the southwest throughout early September and, due to the extreme weather conditions, grew to a deadly and destructive conflagration in the chaparral-filled foothills within just several hours of igniting.
Alexander Mountain is a mountain in Larimer County, Colorado named for the pioneers John and Grant Alexander. It is within a mid-elevation ponderosa pine forest in the Canyon Lakes Ranger District of the Roosevelt National Forest with mountain mahogany, skunkbrush, and gambel oak forbs. North of US Highway 34 between Loveland and Estes Park, west of Green Ridge, and east of Cedar Creek, it is recognizable by its pyramidal shaped south face. Its habitat is mesic and dry-mesic and has cliff faces which are home to rattlesnakes. Now home to the Sylvan Dale Guest Ranch, its cultural significance is the final stand in a bear hunt in the memoirs of Gerry Spence. On July 29, 2024, an unknown ignition of a hot dry remote area on the north face of the Alexander Mountain caused the Alexander Mountain Fire, receiving national attention for a rapidly accelerating wildfire causing a wide evacuation area under volatile circumstances and risking losses to communication and energy infrastructure as well as ranching and tourism communities along the Big Thompson River near Drake, Colorado.
