White Sulphur Springs was the oldest resort in California. It had been operating on and off for 168 years

https://napavalleyregister.com/news/community/star/lifestyles/lost-treasure-the-history-of-white-sulphur-springs-resort-1852-2020/article_9e8a66d8-83ab-599a-ad08-fc89a5de38a2.html