[4] It is located on Sulphur Creek 3 miles (4.8 km) east-northeast of Ukiah,[3] at an elevation of 801 feet (244 m).

[1] Although previously used by the local Native Americans,[5] the first westerner to discover the hot springs at this location was Frank Marble, in 1848.

[2][6] In the 1850s William Day founded the Ukiah Vichy Springs Resort, taking advantage of the 19th-century revival of hydrotherapy.

[6] Visitors included Ulysses S. Grant, Benjamin Harrison, Jack London, Teddy Roosevelt, Robert Louis Stevenson, and Mark Twain.

[7] As one of the oldest continuously operated hot spring resorts in the state, Ukiah Vichy Springs has been recognized as California Historical Landmark #980.