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Sendero a la Laguna de los Tres: Trekking to Fitz Roy's Base

Hike to the base of Mount Fitz Roy and witness Patagonia's most iconic view at Laguna de los Tres. A challenging trek with unparalleled rewards.

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The Sendero a la Laguna de los Tres, or the trail to Laguna de los Tres, is the most iconic hike in El Chaltén, Argentina. This challenging but rewarding trek culminates at a stunning glacial lake at the base of Mount Fitz Roy, offering unparalleled views of the majestic peak and surrounding granite needles.

A brief summary to Sendero a la laguna de los Tres

  • P28W+2G, El Chaltén, Santa Cruz Province, AR

Local tips

  • Start the hike early in the morning (7-8 am) to avoid crowds and have ample time to complete the trek.
  • Check the weather forecast before you go and be prepared for strong winds and variable conditions.
  • Wear sturdy hiking boots, layered clothing, and bring waterproof gear.
  • Carry plenty of water and pack a lunch, as there are no facilities along the trail.
  • Consider using hiking poles, especially for the steep descent.
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Getting There

  • Walking

    The Sendero a la Laguna de los Tres trailhead is located at the northern end of El Chaltén, where Avenida San Martín ends. From the center of town, simply walk north along Avenida San Martín until you reach the clearly marked trailhead and parking area. The walk from most accommodations in El Chaltén to the trailhead is typically no more than 15-20 minutes. There is no public transportation within El Chaltén, as it is a small, walkable town. Parking is free at the trailhead parking lot, but it can fill up quickly during peak season, so arriving early is recommended. From the trailhead, follow the signs for 'Sendero al Fitz Roy' or 'Laguna de los Tres'.

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Discover more about Sendero a la laguna de los Tres

The Sendero a la Laguna de los Tres is the crown jewel of hiking in El Chaltén, Argentine Patagonia. This demanding but exceptionally rewarding trail leads hikers to Laguna de los Tres, a glacial lake nestled directly at the foot of the imposing Mount Fitz Roy. The views from the Laguna are arguably the most iconic in Patagonia, featuring the jagged silhouette of Fitz Roy reflected in the vivid blue waters, framed by the surrounding glaciers and granite peaks of Saint Exupery and Poincenot. The hike itself is a full-day adventure, typically taking 8-9 hours round trip, covering approximately 20 km (12.5 miles) with a significant elevation gain of around 800 meters (2,625 feet). The trail begins at the end of Avenida San Martín in El Chaltén, and the initial section involves a moderate uphill climb to the Mirador Río de las Vueltas, offering panoramic views of the river valley. The path then meanders through forests and alongside the Del Salto stream, passing the Laguna Capri viewpoint, before reaching the challenging final ascent. The last kilometer to Laguna de los Tres is notoriously steep and rocky, requiring considerable effort. However, the breathtaking panorama that awaits at the top makes it all worthwhile. For those seeking an alternative perspective, a short trail (800m) leads along the lake to a viewpoint overlooking the stunning Laguna Sucia below. The best time to undertake this trek is between November and March, when the weather is milder and the days are longer. Starting the hike early in the morning is advisable to avoid crowds and ensure ample time to complete the trek. While the trail is well-marked, hikers should be prepared for strong winds, especially near the summit, and variable weather conditions. It's essential to carry sufficient water, food, and appropriate clothing, including layers, waterproof gear, and sturdy hiking boots. Despite the challenges, the Sendero a la Laguna de los Tres remains an unforgettable Patagonian experience, offering an intimate encounter with the region's most iconic mountain.

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