Alamosa County

San Luis Creek is a 76-mile-long (122 km) stream that flows from a source near Poncha Pass in Saguache County, Colorado to San Luis Lake adjacent to Great Sand Dunes National Park. San Luis Lake is the sink of the San Luis Closed Basin, the largest endorheic basin in Colorado.

Alamosa photovoltaic power plant, is an 8.22 MWp photovoltaic power plant located in San Luis Valley, Colorado, USA. The power plant was developed by SunEdison, sells all output to Xcel Energy, and was completed in December 2007.

The Superintendent's Residence at Great Sand Dunes National Monument was designed in 1940 by Kenneth R.Saunders and Jerome C. Miller of the National Park Service Branch of Plans and Designs. Built the same year by the Works Progress Administration, the house is in the Territorial Revival style, deemed a suitable local adaptation of the National Park Service Rustic style. The national monument is now Great Sand Dunes National Park and Preserve. The building is located adjacent to the entrance gate house of the park.

St. Thomas Episcopal Church is a historic church at 607 Fourth Street in Alamosa, Colorado, United States. It was built in 1926 and was added to the National Register of Historic Places in 2003.

San Luis State Park is a former state park located in Alamosa County, Colorado, United States.

The American National Bank Building is a historic bank building located at 500 State Avenue in Alamosa, Colorado.

The Trujillo Homestead is a historic ranch site in Mosca, Alamosa County, Colorado, not far from the Great Sand Dunes National Park. The area was first settled in the 1860s by Teofilo Trujillo, a Mexican sheep farmer. His son Pedro built a log cabin house beginning in 1879, along with other ranch outbuildings and structures. In 1902 the elder Trujillo's home was destroyed by fire during conflicts between English-speaking cattle ranchers and the Spanish Trujillos, who were by then major landowners in the area. The Trujillos sold their holdings, which became part the Medeno Zapata Ranch, now owned by the Nature Conservancy. The homestead area, including the surviving homestead and the ruins of the destroyed one, was declared a National Historic Landmark District in February 2012.

The Rio Grande Scenic Railroad of Colorado, a heritage railway, began operations in 2006, operating both steam and diesel locomotives in and around the San Luis Valley, on trackage of the San Luis and Rio Grande Railroad. Located 200 miles (320 km) south of Denver, Colorado, the Rio Grande Scenic Railroad operates out of Alamosa, Monte Vista and La Veta. This 4 ft 8 ¹⁄₂ in (1,435 mm) standard gauge route, featuring a climb over the Sangre de Cristo Mountains via Veta Pass, dates back to 1899 and is a successor to the original 3 ft (914 mm) narrow gauge La Veta Pass line of the Denver and Rio Grande Railway, completed in 1878. In keeping with the Denver and Rio Grande Western slogan Scenic Line of the World (see emblem here), the trip between Alamosa and La Veta offers views of several of Colorado’s 14,000-foot (4,300 m) peaks.

The Sangre de Cristo Mountains (Spanish for "Blood of Christ") are the southernmost subrange of the Rocky Mountains. They are located in southern Colorado and northern New Mexico in the United States. The mountains run from Poncha Pass in South-Central Colorado, trending southeast and south, ending at Glorieta Pass, southeast of Santa Fe, New Mexico. The mountains contain a number of fourteen thousand foot peaks in the Colorado portion, as well as all the peaks in New Mexico which are over thirteen thousand feet.

Denver and Rio Grande Western No. 169 is a 4-6-0, Ten Wheeler type, narrow gauge steam railway locomotive. It is one of twelve similar locomotives built for the Denver and Rio Grande Railroad by Baldwin Locomotive Works in 1883. It was built as a passenger locomotive, with 46 in (1,200 mm) drivers, the second largest drivers used on any three foot gauge D&RGW locomotive. (The K-37s which were originally standard gauge have 55 in (1,400 mm) drivers.)

KASF (90.9 FM) is a low transmission power, college level, educational radio station licensed in Alamosa, Colorado, United States, the station serves part of the San Luis Valley in Colorado. The station is owned by Adams State College.

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.

Colorado Gators Reptile Park was opened to the public in 1990, in Mosca, Colorado, United States. Located 17 miles (27 km) north of Alamosa, Colorado, it started as a tilapia farm in 1977, and now includes a bird sanctuary, reptile rescue, education, and display, and a biodome.

KGIW (1450 AM) is a radio station licensed to Alamosa, Colorado, United States. The station is owned by William Spears, Jr., through licensee Wolf Creek Broadcasting, LLC.

The Closed Basin Project is a groundwater extraction project in the San Luis Valley in Colorado, United States, operated by the United States Bureau of Reclamation.

KALQ-FM (93.5 FM, Q93.5) is a radio station broadcasting a country music music format. Licensed to Alamosa, Colorado, United States, the station is currently owned by William Spears, Jr. through licensee Wolf Creek Broadcasting, LLC, and features programming from Citadel Broadcasting and Westwood One.