ⓘ San Andres Mountains. The San Andres Mountains are a mountain range in the southwestern U.S. state of New Mexico, in the counties of Socorro, Sierra, and Doña A ..

                                     

ⓘ San Andres Mountains

The San Andres Mountains are a mountain range in the southwestern U.S. state of New Mexico, in the counties of Socorro, Sierra, and Doña Ana. The range extends about 75 miles north to south, but are only about 12 miles wide at their widest. The highest peak in the San Andres Mountains is Salinas Peak, at 8.965 feet.