Desert Until the Valley Floor Posted on 2023-Feb-10 by adohertyh Mountains and hillsides in Coachella Valley are a rocky, scrubby desert so long as they stay sufficiently sloped; the moment they reach the flat ex-lake valley floor, the housing developments begin. Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Click to share on Reddit (Opens in new window) Reddit Like Loading...