w trek torres del paine complete guide

W Trek Torres del Paine: The Complete Guide

The W Trek is the most iconic multi-day hike in Patagonia and the best way to experience the heart of Torres del Paine National Park. Shaped like a "W", it links the park's greatest hits along three arms: the Grey Glacier, the French Valley and the base of the granite Towers. Strictly speaking, the route takes in two valleys — French (Francés) and Ascencio — plus the Grey arm, where the trail runs along the eastern shore of Lake Grey to the glacier. This guide, written by a Puerto Natales–based operator, covers everything you need to plan it.

What is the W Trek?

The W Trek covers roughly 70–80 km over 4 to 5 days, with daily stages of about 15–22 km and 500–800 m of elevation gain. You sleep in refugios (basic mountain lodges) or campsites along the route. It's demanding but achievable for anyone with a good fitness level — no technical climbing required.

The three arms of the W

• Grey (west): the trail follows the eastern shore of Lake Grey to the enormous Grey Glacier and its floating icebergs — an arm of the "W", not a valley.
• French Valley (center): a true valley — a natural amphitheatre of hanging glaciers and granite walls, many hikers' favourite.
• Ascencio Valley (east): the valley that climbs to the base of the Towers, the park's postcard view, best at sunrise.

W Trek vs O Circuit: which should you choose?

The W Trek (4–5 days) gives you the park's iconic highlights and busier, well-served trails. The O Circuit (7–9 days) is the full loop around the massif — wilder, more remote and less crowded, for experienced hikers with more time. If it's your first time and you want the highlights, the W is the answer.

Sample itinerary (west to east)

Most hikers start by catamaran to Paine Grande and finish at the Towers. A typical route:

• Day 1: Catamaran to Paine Grande → hike to Grey (≈11.5 km) to see the glacier; return or overnight.
• Day 2: Paine Grande → Francés / Los Cuernos (≈9.6–12 km).
• Day 3: French Valley lookout, then on toward Chileno (≈14.5–17 km).
• Day 4: Pre-dawn climb to the base of the Towers, then descend and transfer back to Puerto Natales.

The W can be walked in either direction — east-to-west is equally popular. Prefer to end with the glacier by boat? See our W Trek with Grey Glacier navigation.

Refugios and camping: how to book

Accommodation inside the park is run by two concessionaires: Las Torres Patagonia (eastern sectors — Central, Chileno, Cuernos, Francés) and Vértice (western sectors — Paine Grande, Grey). Refugios sell out months in advance for the high season, and you must also reserve your park entrance ticket with CONAF. Booking the right beds in the right order is the trickiest part of the W — one reason many travelers choose an all-inclusive package.

Best time to go

The refugios and campsites for the classic W open from mid-September to mid-April, with peak season December–February (long daylight, warmest weather, but busiest). Shoulder months (October–November, March) mean fewer people and beautiful light. Patagonian weather is famously changeable — pack for four seasons in one day.

Guided or self-guided?

Self-guided gives freedom but you handle every reservation, transfer and meal yourself. A guided or all-inclusive W removes the logistics headache: park entrance, transfers, full-board lodging and a local guide who knows the trail, the weather windows and the best light. As a Puerto Natales operator, that's exactly what we do.

Ready to plan it? See our W Trek Torres del Paine, or if you're short on time, the base of the Towers day hike and the full-day panoramic tour. New to the area? Read our guide to Puerto Natales. Book your W Trek with Kali Travels.