Overview
South America’s hot springs are shaped by the Andes. Many of the best-known soaks sit at altitude - steam rising off open-air pools with big skies, cold nights, and thin air. In Chile, Argentina, Peru, Bolivia, and Ecuador you’ll find everything from rustic riverside pools to staffed thermal complexes, often reached by long drives on mountain roads. In Colombia and parts of Brazil, the vibe shifts: warmer climates, greener settings, and springs that feel like a day trip from a city rather than a high-country mission.
Most experiences fall into three buckets: Andes thermal complexes (multiple pools, changing rooms, straightforward entry), simple natural pools (minimal facilities, variable temperatures), and remote springs tied to trekking routeswhere conditions depend on weather and road stability. Plan around what’s different here: altitude can hit hard (headache, fatigue), rain can wash out access roads, and water temperature can change with season and flow. If you want quieter soaking, aim for weekdays and early mornings - many popular pools fill up once tour vans arrive.