Templeton Gap has long been consdered one of the cool breezy areas of Paso Robles AVA. The topography is comprised of Santa Lucia Range mountain slopes and broad alluvial terraces. Elevations run 700 - 1,800 feet.

Soils are broad alluvial terraces and fans of Paso Robles Creek and the Salinas River over bed rock. Alluvial soils of shallow to moderate depth and sandy to silty to clay loams interspersed with calcareous in places.