Considered West Side and part of the Santa Lucia Range. Adelaida District is the north west portion of the Paso Robles AVA, immediately to the west of the city of Paso Robles. Features high mountain slopes, the highest in all the greater Paso Robles AVA, grading to foothills. Multiple micro climates exist within its elevations of 900 - 2200 feet.

The region is comprised of shallow, bedrock residual and patchy colluvial hillside, soils from the middle member of Monterey Formation and older rock. This region is largely calcareous soils.