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Hot Springs: Junín de los Andes

Junín de los Andes, Argentina's trout fishing capital, is the gateway to Lanín National Park where volcanic activity from Lanín Volcano creates natural hot springs in pristine wilderness settings among araucaria forests and glacial lakes.

4 min readUpdated for 2025–2026 Season
3 hot springsBest Season to Visit: The best season to visit hot springs from Junín de...
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Introduction

Junín de los Andes sits at the base of Lanín Volcano in Neuquén province, surrounded by the stunning landscapes of Lanín National Park. While the town is primarily known as one of the world's premier fly-fishing destinations, the volcanic geology beneath the Andes also produces thermal springs that attract visitors seeking relaxation in nature. The hot springs accessible from Junín are mostly within the national park, set among ancient araucaria forests, pristine lakes, and volcanic landscapes. They tend to be more natural and less developed than those near neighboring San Martín de los Andes, appealing to visitors who prefer a wilder, more authentic thermal experience.

Hot Springs

Termas de Epulafquen

Natural

Natural thermal springs near the shores of Lago Epulafquen, where warm mineral water emerges among rocks in a forested setting. Informal stone pools have been shaped by visitors over the years. The setting within Lanín National Park, with views of volcanic peaks and araucaria forests, makes this one of the most scenic hot spring locations in Neuquén province.

Temperature: 33-39°C
Entry Fee: Lanín National Park entry fee ($5,000 ARS for foreigners)
How to Get There: Located 60 km northwest of Junín de los Andes within Lanín National Park, near Lago Epulafquen. Gravel road accessible by high-clearance vehicle. About 1.5 hours from town.
Best time: December to March
basic changing areanational park campground nearby

Termas del Lahuen Co

Resort

While technically closer to San Martín de los Andes, Lahuen Co is a popular day trip from Junín. This modern thermal complex offers multiple pools at varying temperatures with mountain views, plus a full spa with professional treatments. It provides the most comfortable hot spring experience accessible from Junín.

Temperature: 36-42°C
Entry Fee: $20,000 ARS per adult
How to Get There: About 45 km from Junín via Ruta Provincial 62 through San Martín de los Andes area. Paved and gravel road. About 1 hour drive.
Best time: Year-round
outdoor poolsindoor poolssparestaurantchanging roomsparking

Termas de Huechulafquen

Wild

Warm water seepages along the volcanic lakeshore of Lago Huechulafquen create subtle thermal pools. The temperatures are mild and the springs are modest, but the location on one of Patagonia's most beautiful lakes with Lanín Volcano reflected in the water makes any visit worthwhile. Combine with fishing or lake activities.

Temperature: 30-36°C
Entry Fee: Free (national park entry fee applies)
How to Get There: Along the shores of Lago Huechulafquen, about 25 km from Junín. The springs are reached by a trail from the lake road. Local knowledge or a guide recommended.
Best time: January to March
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Safety Tips

Register with park rangers before hiking to wild springs in Lanín National Park

Roads within the park can be rough — use a high-clearance vehicle

Weather changes rapidly near Lanín Volcano; carry rain gear and warm layers

Wild springs have no temperature monitoring — test carefully before entering

Bring all water and food you need, as there are no shops near the springs

Be aware of wildlife including pumas in remote park areas

What to Bring

  • Swimsuit
  • Towel
  • Water shoes
  • Hiking boots
  • Warm layers and rain jacket
  • Plenty of drinking water and food
  • Cash in Argentine pesos
  • Sunscreen and hat
  • Fishing gear if combining activities

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Best Season to Visit

The best season to visit hot springs from Junín de los Andes is December to March, when park roads are in the best condition and weather is warmest. January and February are peak months. The fishing season (November to May) overlaps well with hot spring visiting, making it easy to combine both activities.

Getting There

Junín de los Andes is located 40 km north of San Martín de los Andes on Ruta Nacional 40. The nearest airport is Chapelco (CPC), about 20 km south, with flights from Buenos Aires. From Buenos Aires, buses take about 20 hours. From Bariloche, the drive is 230 km (about 3 hours) via Ruta 40. A rental car is essential for reaching hot springs in the national park.

Nearby Attractions

World-class fly fishing on Chimehuin River
Lanín Volcano trekking
Huechulafquen Lake recreation
Mapuche cultural experiences
Ruta de los Siete Lagos (Seven Lakes Route)
Tromen Lake and araucaria forests

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Best Time to Visit

Best Time to Visit Junín de los Andes 2026 — Month-by-Month Guide

How to Get There

How to Get to Junín de los Andes 2026 — Flights, Driving & Transport

Budget Guide

Junín de los Andes on a Budget 2026 — Costs, Tips & Money-Saving Guide

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Seasonal Guide

Summer in Junín de los Andes 2026 — Weather, Activities & Tips

Seasonal Guide

Winter in Junín de los Andes 2026 — Weather, Activities & Tips

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Essential Travel Tips for Junín de los Andes (2026)

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Frequently Asked Questions

Can I combine fishing and hot springs in one day?

Absolutely. Morning fishing on the Chimehuin River or Lago Huechulafquen followed by an afternoon soak at the natural springs is a classic Junín de los Andes itinerary.

Are the natural springs accessible in winter?

Access to springs within Lanín National Park becomes difficult or impossible in winter due to snow-covered roads. Termas de Lahuen Co near San Martín operates year-round as a winter alternative.

How do Junín's springs differ from San Martín's?

Junín offers more natural, wild spring experiences within Lanín National Park, while San Martín has the developed Lahuen Co resort. Junín is the better base for those seeking authentic wilderness thermal experiences.

Do I need a guide to find the wild springs?

For Epulafquen, the springs are well-known and findable without a guide. For the Huechulafquen shore seepages, local knowledge is helpful. Ask at your accommodation or the park ranger station for current directions.

Junín de los Andes

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