Title: San Juan County, New Mexico
Content:  According to the U.S. Census Bureau, the county has a total area of 5538 sqmi, of which 5513 sqmi is land and 25 sqmi (0.5%) is water. Indian reservations (and off-reservation trust lands) comprise 63.4 percent of the county's land area: The Navajo Nation takes up 60.45% and the Ute Mountain Ute Tribe Reservation another 2.93%. The physical features include three rivers: the San Juan, Animas, and La Plata rivers; also, the Chuska Mountains and Shiprock Pinnacle to the west, volcanic structures, buttes, mesas, badlands, and fertile river valleys.
Title: San Juan (mountain)
Content:  San Juan or Ancos Punta is a mountain in the Andes of Peru. It is located in the region of Ancash and is part of the Cordillera Blanca mountain range, a sub-range of the Andes. It has an elevation of 5843 m above sea level. It is located northwest of mount Huantsán.
Title: San Juan, New Mexico
Content:  San Juan is a census-designated place (CDP) in Rio Arriba County, New Mexico, United States. The population was 592 at the 2000 census.
Title: San Juan, New Mexico
Content:  San Juan is located at 36.05333°N, -106.06917°W (36.053361, -106.069283), a few miles north of Espanola. According to the United States Census Bureau, the CDP has a total area of 0.6 square mile (1.5 km2), all land.
Title: San Juan County, New Mexico
Content:   San Juan County is located in the U.S. state of New Mexico. As of the 2020 census, the population was 121,661 making it the fifth-most populous county in New Mexico. Its county seat is Aztec. The county was created in 1887. San Juan County is part of the Farmington, New Mexico, Metropolitan Statistical Area. It is in the state's northwest corner and includes the New Mexico portion of the Four Corners.
Title: San Juan Mountains
Content:  by tributaries of the San Juan, Dolores and Gunnison rivers, which all flow into the Colorado River. The San Juan and Uncompahgre National Forests cover a large portion of the San Juan Mountains. The Continental Divide Trail, a long-distance hiking trail follows the crest of the San Juan Mountains. The Weminuche Wilderness, Colorado's largest wilderness area, with an area of 499771 acre is in the San Juans. The San Juan Mountains are also distinctive for their high altitude plateaus and peaks. As a result, facilities in the towns and cities of the region are among the highest in the nation. Telluride Airport, at an elevation of 9,070 feet, is the highest in the United States with regularly scheduled commercial service.
Title: San Jon, New Mexico
Content:  San Jon is located at 35.1075°N, -103.33028°W (35.107614, -103.330396). According to the United States Census Bureau, the village has a total area of 2.6 sqmi, all land. The village is located on I-40 at New Mexico State Highway 469 and is east of Tucumcari.
Title: San Juan Ridge
Content:   The San Juan Ridge (39.37778°N, -121.02583°W) is a geographic feature extending approximately 24 mi east-northeast between the South and Middle Yuba Rivers in the foothills of the northern Sierra Nevada. The elevation is approximately 790 m (2,600 ft) above sea level.
Title: San Juan del Río
Content:   The city is located in a central sedimentary valley of a rich agricultural area with abundant underground streams of hot springs of about 37.5 O. The valley of San Juan is surrounded by the mountains of La Llave (2,450 [msnm]) of Xajay (2,750 meters above sea level) of Scholastics (2,800 meters above sea level) and Jingó (2,500 meters above sea level). The San Juan River, whose sources are located in the State of Mexico, is the mainstream of the municipality and the state. This river, when leaving the municipality of Tequisquiapan, already with the name of Río Moctezuma forms the natural boundary between the states of Querétaro and Hidalgo and already flows as Rio Pánuco into the Golfo de México in the port of Tampico.
Title: San Juan Mountains
Content:  The San Juan Mountains is a high and rugged mountain range in the Rocky Mountains in southwestern Colorado and northwestern New Mexico. The area is highly mineralized (the Colorado Mineral Belt) and figured in the gold and silver mining industry of early Colorado. Major towns, all old mining camps, include Creede, Lake City, Silverton, Ouray, and Telluride. Large scale mining has ended in the region, although independent prospectors still work claims throughout the range. The last large scale mines were the Sunnyside Mine near Silverton, which operated until late in the 20th century and the Idarado Mine on Red Mountain Pass that closed down in the 1970s. Famous old San Juan mines include the Camp Bird and Smuggler Union mines, both 

Question: where are the san juan mountains in new mexico?
Answer: northwestern New Mexico.