The train network eventually reached Temecula and Murrieta, but not the area inhabited by the French.
The first use of the name "French Valley" occurred in 1913 in a California Conservation Commission report.
[1] A traditional lifestyle was maintained until 1964 when the Metropolitan Water District of Southern California acquired 6,000 acres of land to build the Skinner Reservoir that started operating in 1976.
French Valley is located within 10 minutes of nearby cities Temecula and Murrieta as well as the 15 and 215 freeways.
French Valley is considered to be in the greater Inland Empire region of Southern California.