Gilroy Yamato Hot Springs, a California Historical Landmark and on the list of National Register of Historic Places, is a property near Gilroy, California famed for its mineral hot springs and historic development by early settlers and Japanese immigrants. The earliest extant Italianate–Victorian style structures date from the 1870s, and the earliest bathhouse dates from 1890. Other early structures are a Buddhist shrine from 1939 and a Japanese garden teahouse from that same year. The property is also listed on the National Register of Historic Places. The hot spring's temperature ranges from 99° to 111 °F (37° to 44 °C). These springs are the site of occurrence of certain extremophile micro-organisms, that are capable of surviving in extremely hot environments. Setting and early history The site is in a mixed oak forest sloping above Coyote Creek approximately ten miles northeast of Gilroy. The locale is associated with the discoveries of Francisco Cantua, while the core landholding of was purchased in 1866 by early settlers George W. Roop and William F. Olden. Roop could accommodate up to 200 guests per day, and the resort Roop developed achieved rapid fame. In those early times the resort was praised as "the finest springs in the state" (Coffin, 1873). A three-story wood-frame hotel from 1874 and a single-story wood frame clubhouse also dating from the 1870s existed. In the last decade of the 19th century, further development took place: The 1890 bathhouse noted above, several 1890s board and batten guest cabins and a wooden kiosk above one of the hot springs. Notable guests to this historic destination hotel in the Victorian period included San Francisco Mayor James Phelan, gold mining magnate Adolph Sutro, Claus Spreckels and singer Margaret Alverson Blake. The roaring 1920s Further development took place in this vibrant period in American history. Immediately before the Roaring twenties a redwood water tank was built in 1913 and the first concrete pool for mineral water was installed at this site in 1917. In the early 1920s William and Emily McDonald purchased the property from Roop. More guest cabins were added, bringing the total to 24. The guest cabin Arizona was erected in 1924, but unfortunately it was consumed by fire in 1992. A number of the original guest cabins from the 1920s are still extant, each named after a different state. The cabin names are clearly affixed to the front of each structure for