Mark West Springs is set of springs in eastern Santa Rosa, California that were used as a resort since 1880 and perhaps earlier.[2]
Mark West Springs is located on Porter Creek Road in the Mayacamas Mountains. Mark West Creek flows through the community.
Waring, Gerald Ashley (1915). Springs of California. U.S. Geological Survey Water Supply Paper. Vol. 338. U.S. Government Printing Office. doi:10.3133/wsp338.