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If you’re planning to book a hiking adventure in Torres del Paine National Park, you’ve likely come across the W Trek vs. O Circuit debate—two of the most famous trekking routes in South America.
This Patagonian paradise is a dream for outdoor enthusiasts, featuring glaciers, turquoise lakes, dense forests, and towering granite peaks.
Not sure which trek is right for you? Here’s everything you need to know to choose the best option for your adventure.
Key differences between the W Trek and O Circuit
Route and Trail Layout
Each trek is named after the shape of its route:
- W Trek: Covers only the southern part of the park, forming a “W” shape.
- O Circuit: A full loop that includes the entire W Trek plus additional sections in the northern part of the park.
Distance and Duration
The biggest difference between these treks is their length and the number of days needed to complete them:
- O Circuit: Covers 81 miles (130 km) in 8 days.
- W Trek: Covers 50 miles (80 km) in 5 days, with 4 full days of hiking.
Accommodation Options on each trek
Where to stay on the O Circuit
The northern section of the O Circuit is more remote, meaning refugios (mountain lodges) and campsites are smaller, quieter, and offer a true backcountry experience.
Where to stay on the W Trek
Along the W Trek, you’ll find a mix of mountain lodges and campsites. The central section offers a more immersive mountain experience, particularly at:
However, the southern part of the W Trek is more accessible, with larger lodges that accommodate more hikers.
Which trek is more challenging?
Both the W Trek and O Circuit have demanding sections, but there are three key segments that require more endurance and hiking experience:
Challenging section exclusive to the O Circuit
Los Perros – Paso Gardner – Grey: The Ultimate Challenge
This section of the O Circuit is one of the toughest but also one of the most breathtaking. You’ll climb up to Paso Gardner, the highest point of the trek, where you’ll be rewarded with jaw-dropping views of Glacier Grey. The steep ascent and unpredictable weather make it a real challenge, but the scenery at the top makes every step worth it!
Challenging sections on both treks
Paine Grande – Cuernos or Francés: Lakes, Valleys, and Epic Views
This part of the W Trek winds through stunning landscapes of lakes, forests, and towering peaks. The trail follows the Nordenskjöld Lake shoreline from Paine Grande to the Cuernos or Francés lodges. For those seeking an extra adventure, the optional ascent to Británico Lookout leads through the French Valley, offering an unbeatable 360° view of Torres del Paine’s most iconic peaks.
Base Torres: The Iconic Climb
The hike to Base Torres is the park’s most famous and challenging section. It starts with a steady climb through forests and rocky terrain, leading to the breathtaking viewpoint where the three granite towers rise above the turquoise lagoon. The final ascent is steep and demanding, but reaching the top is an unforgettable reward. After taking in the view, you’ll descend the same way, completing one of Patagonia’s most legendary treks.
Best time of year to hike
- W Trek: Open from mid-September to late April.
- O Circuit: Available only from November to late March.
📅 Exact dates may vary depending on the season.
Which trek circuit in Torres del Paine is right for you?
Now that you have all the details, it’s time to choose the trek that matches your adventure goals. Whether you opt for the iconic W Trek or the more demanding O Circuit, Torres del Paine will leave you in awe. The trail is calling—start packing your gear! 🎒🏔️
