In Mexico they are found primarily in the Baja California and Chihuahua regions .
Western lyre snakes are found in the United States from the western Texas , across the southwestern states of New Mexico and Arizona to California , and north into southern Nevada .
In Mexico they are found primarily in the California   and Chihuahua regions .
Western lyre snakes are found in the United States from the western Texas , across the southwestern states of New Mexico and Arizona to California , and north into southern Nevada .