All Seasonal Guides

Spring in San Martín de los Andes

Spring transforms San Martín de los Andes into a wildflower paradise on Lago Lácar. The Seven Lakes Route blooms with color, Lanín volcano gleams with fresh snow, and this charming mountain town offers shoulder season serenity and excellent self-drive touring.

Spring in San Martín de los Andes, from September through November, is a magical time in one of Patagonia's most charming and picturesque mountain towns. Nestled at the eastern end of Lago Lácar within Lanín National Park, San Martín combines alpine village aesthetics with Argentine warmth, creating a base that is both beautiful and deeply welcoming.

As winter's snow retreats from the valley floor, the town and its surroundings undergo a spectacular transformation. The forests of araucaria, lenga, and coihue burst into spring green, while the understory explodes with wildflowers. The iconic notro (firebush) produces brilliant red blooms that become the season's signature, and the shores of Lago Lácar are fringed with fresh growth. The snow-capped cone of Volcán Lanín presides over everything, gradually losing its lower snowfields as temperatures rise.

Self-drive touring is at its finest in spring around San Martín. The Seven Lakes Route (Ruta de los Siete Lagos) connecting San Martín to Bariloche is widely considered one of South America's most beautiful drives, and spring adds wildflowers, waterfalls, and uncrowded conditions to an already spectacular journey. Within Lanín National Park, roads to Lago Huechulafquen, Lago Lolog, and the base of Volcán Lanín offer diverse landscapes accessible by car.

Weather Overview

Avg High

15°C

Avg Low

3°C

Precipitation

Moderate. Spring brings a mix of rain and sunshine, with November generally drier and warmer than September. Rain showers can be brief but intense.

Wind

Generally moderate, with calmer conditions in the lake valley than exposed ridges.

Daylight

Increasing from about 11 hours in September to over 14.5 hours by late November.

Spring weather is classically variable — sunshine can give way to rain within hours. Early spring (September) retains a wintry chill with possible snow at higher elevations. October brings increasing warmth, and November often delivers beautiful, warm days interspersed with refreshing showers. The town's valley setting provides some weather protection, but mountain excursions can be cooler and windier.

Activities

Available Activities

Seven Lakes Route Drive

Drive the legendary Ruta de los Siete Lagos between San Martín and Bariloche. Spring adds wildflower displays, snowmelt waterfalls, and virtually no traffic to this already stunning paved route.

Hiking in Lanín National Park

Lower and mid-elevation trails open with wildflowers. Popular routes include Mirador Bandurrias, Playa Catritre, and trails around Lago Lolog and Lago Huechulafquen.

Fly Fishing

The November 1st season opener makes San Martín a premier fishing destination. World-class rivers like the Chimehuin and lakes within Lanín National Park offer outstanding trout fishing.

Mountain Biking

Trails around the lake and through forests become rideable as they dry from winter. The town has excellent rental shops and a passionate cycling community.

Lakeside Strolls and Town Exploration

Walk the Lago Lácar waterfront, browse artisan shops and chocolate stores, and enjoy the town's excellent restaurants without the summer crowds.

Volcán Lanín Approach

Drive to Lago Tromen for dramatic close-up views of Volcán Lanín. The lower approach trails become accessible in late spring.

Not Available This Season

Skiing at Chapelco (season ends early-mid September)High-altitude summit hikes (snow conditions until late spring/summer)Lake swimming (water too cold until January)

Accommodation

San Martín offers excellent accommodation ranging from luxury lodges and boutique hotels to cozy hostels and cabañas. Spring rates are 30-50% below the busy summer and winter ski seasons, representing some of the best value of the year. The town's hospitality standards are high, and off-season means more personal attention.

Crowds & Tourism

Spring is the sweet spot between ski season and summer. The town is relaxed without being closed — restaurants, shops, and services are all open but without the pressure of peak season. Trails are empty, the Seven Lakes Route is uncrowded, and you can enjoy lakeside dining without reservations.

Pricing

Spring offers San Martín's best value. Accommodation drops significantly from both winter (ski) and summer rates. Car rental from Chapelco airport or the town center is competitive. Restaurants maintain their excellent quality but at accessible prices without the high-season premium.

Driving Conditions

Important for car rental travelers

Roads are excellent. The Seven Lakes Route is fully paved and beautifully maintained. Routes within Lanín National Park to various lakes are mostly gravel but well-maintained. Main town access roads are paved. Early spring may bring occasional ice in the early morning on mountain passes, but by October conditions are very good. A standard car rental handles all main routes.

Packing Essentials

Layered clothing (thermals, fleece, waterproof shell)
Waterproof hiking boots
Rain jacket
Warm hat and gloves for mornings
Sunscreen and quality sunglasses
Fishing gear (November onward; also available for rent)
Camera for wildflowers and lake scenery
Daypack for hikes
Binoculars for wildlife
Swimsuit (for hotel pools)
Insect repellent (late spring)

Events & Festivals

Fishing Season Opening (November 1)

The opening of trout season is a major event, celebrated with enthusiasm by the local fishing community and visiting anglers from around the world.

San Martín Film Festival

The town hosts cultural events and film screenings that add intellectual depth to the outdoor adventure offerings.

Spring Wildflower Season

October-November brings spectacular wildflower displays including the iconic red notro (firebush) that lines lakeshores and forest edges.

Pros & Cons

Pros

  • One of Patagonia's most charming and livable mountain towns.
  • The Seven Lakes Route in spring is unforgettable.
  • Best value of the year with 30-50% off peak accommodation rates.
  • World-class fly fishing from November 1st.
  • Wildflower displays including the iconic notro firebush.
  • Excellent gastronomy, chocolate shops, and cultural life year-round.

Cons

  • Variable weather with potential for rain on any given day.
  • Higher mountain trails remain snowy until late spring.
  • Lake water is too cold for swimming.
  • The gap between ski season ending and summer beginning means some businesses take holidays.
  • Tabano horseflies appear in late November near lakeshores.

Explore by Car This Season

A rental car gives you the freedom to explore Patagonia at your own pace, no matter the season.

Browse Car Rentals

Explore More

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Frequently Asked Questions

Is San Martín de los Andes or Bariloche better to visit in spring?

Both are excellent. San Martín is smaller, quieter, and more intimate, while Bariloche offers more dining and nightlife options. Ideally, visit both and drive the Seven Lakes Route between them.

When is the best spring month to visit?

November is ideal — warm weather, longest days, wildflowers in bloom, and fishing season open. October is also lovely but cooler. September is transitional from winter.

Can I drive the Seven Lakes Route in September?

Yes, the route is paved and open year-round. September conditions are cooler with possible snow on surrounding peaks, but the road itself is clear. The scenery is dramatic with more snow visible.

How do I get to San Martín de los Andes?

Fly to Chapelco airport (20 minutes from town) or Bariloche airport (3 hours via the Seven Lakes Route). Car rental is available at both airports and is the best way to explore the region.

Is fly fishing in November good?

November is excellent for fly fishing. The season opens on the 1st, and the early season offers eager fish and uncrowded rivers. Guided trips and equipment rental are available through local operators.

What is the notro and when does it bloom?

The notro or firebush (Embothrium coccineum) produces spectacular clusters of bright red-orange tubular flowers in October-November. It grows along lakeshores and forest edges and is one of spring's most photographed sights in Patagonia.

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