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Hot Springs: Osorno

Osorno, a bustling agricultural city in Chile's Los Lagos region, serves as the gateway to the spectacular Puyehue-Huilo Huilo thermal corridor. The Puyehue and Antillanca volcanoes heat some of Chile's finest hot springs, from luxury resorts to wild forest pools.

3 hot springsBest Season to Visit: The Puyehue thermal area is enjoyable year-round. ...

Introduction

The city of Osorno lies at the crossroads of Chile's Lake District, with easy access to a remarkable concentration of hot springs heated by the Puyehue and Casablanca volcanic complex. The area along Ruta 215 toward the Argentine border is known as Chile's premier thermal corridor, featuring hot springs that have attracted visitors since the 19th century. From the elegant Termas de Puyehue resort to the rustic Aguas Calientes pools within Puyehue National Park, the variety of thermal experiences accessible from Osorno is exceptional. The volcanic soil, ancient forests, and pristine rivers create settings that make each hot spring visit memorable.

Hot Springs

Termas de Puyehue (Hotel Termas de Puyehue)

Resort

Hotel Termas de Puyehue is a grand thermal resort that has been operating since 1908. Set in extensive grounds at the edge of Puyehue National Park, it offers indoor and outdoor thermal pools, a world-class spa, and elegant accommodation. The hot springs feed naturally into the pools at varying temperatures, and the surrounding parkland with old-growth coigüe trees is stunning.

Temperature: 37-42°C
Entry Fee: Day pass from $30,000 CLP; hotel guests included
How to Get There: Located 76 km east of Osorno on Ruta 215 toward the Argentine border. Fully paved road, about 1 hour by car.
Best time: Year-round; winter for a luxurious retreat
multiple thermal poolssparestauranthotelgymgolf coursehiking trailschanging roomsparking

Termas Aguas Calientes

Developed

Located within Puyehue National Park near the CONAF ranger station, Termas Aguas Calientes offers a more natural and affordable thermal experience. The open-air pools are set in a clearing surrounded by old-growth forest, with the steaming water creating a mystical atmosphere in the morning mist. The proximity to excellent hiking trails makes this perfect for combining trekking and soaking.

Temperature: 35-40°C
Entry Fee: $8,000 CLP per adult plus national park entry
How to Get There: Within Puyehue National Park, 82 km from Osorno on Ruta 215. Well-maintained road. About 1 hour 10 minutes from the city.
Best time: November to April
outdoor poolschanging roomsCONAF campgroundparkinghiking trail access

Termas del Parque (Antillanca road)

Natural

Along the road to the Antillanca ski center, several natural thermal seepages create warm pools beside the road. These are informal bathing spots used by locals and visitors who know about them. The volcanic setting with views of the ski slopes above adds drama to the experience.

Temperature: 33-38°C
Entry Fee: National park entry fee only
How to Get There: On the road to Antillanca ski center within Puyehue National Park, about 90 km from Osorno. The road is paved to the resort, then gravel to the springs.
Best time: December to March
roadside parking

Safety Tips

Check Puyehue Volcano alert levels before visiting springs within the park

The road to Antillanca can be icy in winter — snow chains or winter tires required

Hot spring water may contain sulfur that can irritate sensitive skin

Limit time in the hottest pools to 15 minutes

Puyehue National Park has entry fees — bring cash

Wildlife including pudú deer and birds of prey are common — enjoy but do not approach

What to Bring

  • Swimsuit
  • Towel
  • Water shoes
  • Warm layers
  • Rain jacket (frequent rainfall in this area)
  • Drinking water
  • Cash in Chilean pesos
  • Hiking gear if planning park trails
  • Binoculars for birdwatching

Best Season to Visit

The Puyehue thermal area is enjoyable year-round. Summer (December to March) is best for combining hot springs with hiking in the park. Winter (June to September) allows the combination of skiing at Antillanca with hot spring relaxation. Autumn is beautiful with fall colors in the native forest.

Getting There

Osorno is located 940 km south of Santiago on the Pan-American Highway. The nearest airport is El Tepual (PMC) in Puerto Montt, about 100 km south, with multiple daily flights from Santiago. Buses from Santiago take about 12 hours. From Osorno, take Ruta 215 east toward the Argentine border. The hot springs are located 76-90 km along this route.

Nearby Attractions

Puyehue National Park trails
Antillanca ski resort (winter)
Salto del Indio waterfall
Osorno Volcano viewpoints
Lago Puyehue activities
Route to Argentina via Paso Cardenal Samoré

Explore Patagonia by Car

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Frequently Asked Questions

Is Termas de Puyehue worth the higher price?

If you enjoy luxury spa experiences, absolutely. The resort has over a century of thermal tradition, excellent facilities, and a beautiful setting. For budget travelers, Aguas Calientes inside the park offers a wonderful experience at a fraction of the price.

Can I combine a visit to the hot springs with crossing to Argentina?

Yes, the hot springs are on Ruta 215, the same road that crosses to Argentina via Paso Cardenal Samoré. Many travelers stop at the springs before or after the border crossing.

Are the hot springs crowded on weekends?

Termas de Puyehue can be busy on weekends and holidays, especially during summer. Aguas Calientes is generally less crowded. Weekday visits offer the most peaceful experience.

Can I hike and visit hot springs in the same day?

Yes, Puyehue National Park has excellent hiking trails near Aguas Calientes. A morning hike followed by an afternoon soak is a perfect day plan. The park has trails ranging from easy forest walks to challenging volcanic ascents.

Osorno

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