Harbin Hot Springs is a non-profit hot spring retreat and workshop center at Harbin Springs in Lake County, Northern California. Named after Matthew Harbin, a pioneer who settled in the Lake County area. It is located about two hours northeast of the San Francisco Bay Area, in the United States. The facility was partially destroyed in the Valley Fire in September 2015, and was temporarily closed. In January 2019 it partially reopened, including the main pools and sauna, and a limited cafeteria service. Location The springs are north of Calistoga, northwest of Middletown, and ten miles south of Clear Lake. They are at an elevation of about . Three springs, known as the Arsenic, Iron and Sulphur springs, rise close together in a ravine on the west of a branch of Putah Creek. The hills near Harbin Springs have steep slopes of exposed shale, but there is a belt of amphibolite schist starting about above the springs. Springs A 1909 report said the Arsenic, Iron and Sulphur springs yielded water at temperaturesof , and at rates of , and respectively. A 1914 report listed the springs and their temperatures as: Hot Sulphur, ; Iron, ; Magnesia, ; Cold White Sulphur, ; Mud Foot Bath, in the water on top and in the mud and fine rocks below. The flow from Hot Sulphur was said to be . A fresh water spring filled a tank in two days, which was used for fire purposes. History The springs had been used by the local people before European settlers arrived. Around 1856 a settler named James M. Harbin took control of the land occupied by the Harbin Hot Springs, and gave his name to the Harbin Springs and the Harbin Mountain that rises above the springs. By 1870 a new owner, Richard Williams, had built the Harbin Springs Health and Pleasure Resort, with a large hotel on the slope below the springs. The region is prone to wildfires and, over the years, successive lodges have been rebuilt when they burned down. By 1909 there were accommodations for around 200 people in a hotel, a three-story rooming house, eight or ten cottages and a dozen tent houses. A large building held a gymnasium and dancing floor. In 1913 they were owned by Mrs. Margaret Matthews of Vallejo, who was leasing them to Booth, Carr and Booth. The resort could accommodate 300 people. There were