The San Luis Valley is a region in south-central Colorado with a small portion overlapping into New Mexico. The valley is approximately 122 miles (196 km) long and 74 miles (119 km) wide, extending from the Continental Divide on the northwest rim into New Mexico on the south. It contains 6 counties and portions of 3 others. It is an extensive high-elevation depositional basin of approximately 8,000 square miles (21,000 km2) with an average elevation of 7,664 feet (2,336 m) above sea level. The valley is a section of the Rio Grande Rift and is drained to the south by the Rio Grande, which rises in the San Juan Mountains to the west of the valley and flows south into New Mexico. The San Luis Valley has a cold desert climate but has substantial water resources from the Rio Grande and groundwater.
Rio Grande County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 11,539. The county seat is Del Norte. The county is named for the Rio Grande, which flows through the county.
The City of Monte Vista is the home rule municipality that is the most populous municipality in Rio Grande County, Colorado, United States. The city population was 4,247 at the 2020 Census.
The sandhill crane is a species of large crane of North America and extreme northeastern Siberia. The common name of this bird refers to habitat like that at the Platte River, on the edge of Nebraska's Sandhills on the American Great Plains. Sandhill Cranes are known to hang out at the edges of bodies of water, especially in the Central Florida region. The central Platte River valley in Nebraska is the most important stopover area for the nominotypical subspecies, the lesser sandhill crane, with up to 450,000 of these birds migrating through annually.
Great Sand Dunes National Park and Preserve is an American national park that conserves an area of large sand dunes up to 750 feet (230 m) tall on the eastern edge of the San Luis Valley, and an adjacent national preserve in the Sangre de Cristo Range, in south-central Colorado, United States. The park was originally designated Great Sand Dunes National Monument on March 17, 1932, by President Herbert Hoover. The original boundaries protected an area of 35,528 acres. A boundary change and redesignation as a national park and preserve was authorized on November 22, 2000, and then established on September 24, 2004. The park encompasses 107,342 acres while the preserve protects an additional 41,686 acres for a total of 149,028 acres. The recreational visitor total was 527,546 in 2019.
Bitter Lake National Wildlife Refuge is a United States National Wildlife Refuge located in two separate sections in central Chaves County, New Mexico, United States, a few miles northeast of the city of Roswell. Both sections lie on the banks of the Pecos River. The refuge was established in 1937 to provide habitat for migratory birds such as the sandhill crane and the snow goose, but it is also notable for rare native fish and the over 90 species of dragonflies and damselflies that inhabit the refuge.
The Bosque del Apache National Wildlife Refuge is located in southern New Mexico. It was founded in 1939 and is administered by the U.S. Fish and Wildlife Service. It is a favorite spot to watch the migration of the sandhill cranes in the fall. The reserve is open year-round and provides safe harbor for its varied wildlife.
The Alamosa National Wildlife Refuge is an 11,169-acre (4,520 ha) United States National Wildlife Refuge located in southern Colorado. The site is located in the San Luis Valley along the east side of the Rio Grande approximately 8 miles (13 km) southeast of Alamosa primarily in southeastern Alamosa County, although very small parts extend into northeastern Conejos and western Costilla counties. It is managed by the United States Fish and Wildlife Service jointly with the Baca and Monte Vista National Wildlife Refuges. It was established in 1962 as a haven for migratory birds and other wildlife.
The Baca National Wildlife Refuge is a 78,697-acre (31,848 ha) United States National Wildlife Refuge located in southern Colorado. It is within the Sangre de Cristo National Heritage Area.
Browns Park National Wildlife Refuge is a 13,450-acre (5,440 ha) U.S. National Wildlife Refuge located in northwestern Colorado. It is located in Moffat County in the extreme northwestern corner of the state, in an isolated mountain valley of Browns Park on both sides of the Green River, approximately 25 miles (40 km) below Flaming Gorge Dam. Established in 1965, the refuge is managed by the United States Fish and Wildlife Service office in Maybell, Colorado. The refuge is approximately 53 miles (85 km) northwest of Maybell on State Highway 318. The refuge consists of bottomland and adjacent benchland. The western border of the refuge is the Colorado-Utah state line. The refuge is surrounded by adjacent lines of the Bureau of Land Management. The refuge contains the site of the former Fort Davy Crockett that was constructed in 1837 to protect trappers against attacks by Blackfoot Native Americans.
The San Luis National Wildlife Refuge Complex is located in the northern San Joaquin Valley, within Merced County and Stanislaus County of California. The complex, with four federal National Wildlife Refuges, is managed by the U.S Fish & Wildlife Service.
The Sonny Bono Salton Sea National Wildlife Refuge is located in the Imperial Valley of California, 40 miles (64 km) north of the Mexican border. Situated at the southern end of the Salton Sea, the refuge protects one of the most important nesting sites and stopovers along the Pacific Flyway. Despite its location in the Colorado Desert, a subdivision of the larger Sonoran Desert, the refuge contains marine, freshwater, wetland, and agricultural habitats which provide sanctuary for hundreds of birds and wetland species, including several that have been listed as endangered or sensitive by the U.S. Fish and Wildlife Service.
Grays Lake National Wildlife Refuge is a National Wildlife Refuge of the United States located in southeastern Idaho. It has the largest hardstem bulrush marsh in North America. Located in a high mountain valley near Soda Springs, the refuge and surrounding mountains offer scenic vistas, wildflowers, and fall foliage displays. Lands adjacent to the 19,400-acre (79 km2) refuge are primarily wet meadows and grasslands. The refuge provides breeding habitat for species of mammals including moose, elk, mule deer, muskrat, badger, and weasel.
The Stone Lakes National Wildlife Refuge, located south of Sacramento, California, lies within the Sacramento-San Joaquin delta, the destination of thousands of migrating waterfowl, shorebirds, and other water birds. The refuge was established in 1994.
The Merced National Wildlife Refuge encompasses 10,262 acres (41.53 km2) of wetlands, native grasslands, vernal pools, and riparian areas in California. It was established in 1951 under the Lea Act to attract wintering waterfowl from adjacent farmland where their foraging was causing crop damage. In the last few decades, changes in agricultural practices and refuge management have reduced these wildlife/crop issues.
The San Luis Valley Conservation Area is a proposed "landscape scale" National Conservation Area in south-central Colorado and far northern New Mexico which would be administered by the U.S. Fish and Wildlife Service:
The Blanca Wetlands Area of Critical Environmental Concern, or Blanca Wildlife Habitat Area, is an area of the San Luis Valley in Colorado, United States, that serves as a refuge for birds, fish and other wildlife. It is about 11 miles (18 km) northeast of Alamosa on County Road 25. The wetlands had been completely destroyed by pumping and diversion of water for irrigation. Starting in 1965 the Bureau of Land Management began to restore them, and they have become an increasingly important ecological habitat for shorebirds, waterbirds and other wildlife and native plants.
San Antonio Mountain is a free-standing volcanic peak in Rio Arriba County, New Mexico. With an elevation of 10,908 feet, San Antonio Mountain is the highest peak within the Taos Plateau volcanic field, the largest volcanic field within the Rio Grande Rift valley.
The Refuge Water Supply Program (RWSP) is administered by the United States Department of the Interior jointly by the Bureau of Reclamation and Fish and Wildlife Service and tasked with acquiring a portion and delivering a total of 555,515 acre feet (AF) of water annually to 19 specific protected wetland areas in the Central Valley of California as mandated with the passing of the Central Valley Project Improvement Act signed on October 30, 1992, by President George H. W. Bush.
Bosque del Apache Wilderness is a designated Wilderness Area on the Bosque del Apache National Wildlife Refuge in Socorro County, New Mexico. Managed by the U.S. Fish and Wildlife Service, the Wilderness, established in 1975, contains 30,427 acres distributed between three units.
