Alamo is an unincorporated community in Lincoln County, Nevada, United States, about 90 miles (140 km) north of Las Vegas. Its elevation is 3,449 feet (1,051 meters). It is named after the Spanish word for "poplar" due to the presence of that type of tree. Founded in 1901, Alamo lies in the Pahranagat Valley. Its economy is dependent primarily upon ranching. The closest attraction is the Pahranagat National Wildlife Refuge.
Between Alamo and the town of Rachel are the site of the Devonian Alamo Impact Breccia.
Alamo attracts tourists and truckers traveling from Las Vegas to northern Nevada and Idaho. Attractions include the nearby warm springs, wildlife refuge, Extraterrestrial Highway and Area 51. Gas stations in Alamo cater to these tourists by offering alien memorabilia. There are three truck stops, the Alamo Sinclair, the Ash Springs Shell and the Alamo truck stop, that offer large diesel filling areas to attract passing truckers. There are also four motels in Alamo, the Meadow Lane Motel, Sunset View Inn, Windmill Ridge, and A Cowboy's Dream. There is also Carlos' Restaurant, which serves both American and Mexican food. Alamo also has the Alamo RV Park which serves traveling tourists.