description Termas de Cauquenes Overview
Termas de Cauquenes is a historic thermal-spring site in Chile's O'Higgins Region, east of Rancagua and near the Cachapoal River. Its mineral waters and baths have attracted visitors since the colonial era, and Charles Darwin recorded a visit during his travels in Chile in 1835. The site is associated with bathing and lodging in an Andean foothill setting and is intended for travelers interested in thermal waters, regional history, and mountain scenery.
help Termas de Cauquenes FAQ
Where are Termas de Cauquenes?
The thermal site is in Machalí in Chile's O'Higgins Region, on the south bank of the Cachapoal River east of Rancagua. Its address is Camino Termas de Cauquenes, in the Alto Cachapoal area. [SERNATUR tourism listing](https://chileestuyo.cl/destacado/termas-de-cauquenes/)
Did Charles Darwin visit Termas de Cauquenes?
Yes. During his 1835 journey in Chile, Darwin traveled up the Cachapoal valley to the hot baths at Cauquenes and wrote about their mineral springs in Voyage of the Beagle. [Darwin Online](https://darwin-online.org.uk/EditorialIntroductions/Chancellor_fieldNotebooks1.18.html)
Why is Termas de Cauquenes historically important?
The baths have documented colonial-era use and became one of Chile's historic thermal resorts, with visitors including Charles Darwin and José de San Martín. Darwin's account records that the 1835 earthquake changed one spring's temperature from 118 degrees Fahrenheit to 92 degrees. [Voyage of the Beagle](https://www.sacred-texts.com/aor/darwin/beagle/vob14.htm)
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