NMRA Pacific Southwest Region Information
The Los Angeles Division includes Ventura and Palmdale to the North, and Claremont to the East. The Cajon Division includes the chinook side of the Sierras; Orange, San Bernardino and Riverside Counties in CA; and Southern Nevada (Las Vegas). San Diego covers the most Southern part of CA from the coast to the Colorado River. Arizona Division covers the State of Arizona. The area includes the lowest elevation in the US (- 248 feet MSL) and some of the highest in the 48 states. Mountains and deserts are the common scenes in the undeveloped areas.