What to Pack for the O-Circuit in Torres del Paine: Essential Gear List for Chilean Patagonia

Girl backpacking along the O-trek in patagonia

A Complete Packing List for the O Circuit and W Trek in Torres del Paine, Patagonia

This is my complete packing list of everything I took with me and used on the O-Circuit in Torres del Paine National Park in Chilean Patagonia, but I also brought all this gear to El Chalten in Argentina as well. I have been backpacking for years and really narrowed down everything I would need based on past trips and then I made some changes here to make the packing list even better for you based on what I learned on the trek. Overall I was really happy with everything I packed and did not need anything else while on the trail. Below you’ll find my full Patagonia backpacking gear list, there were only a couple items I didn’t feel were necessary, but you may want them, so I still wanted to include them here.

If you’re planning to hike the W Trek in Torres del Paine instead of the full O-Circuit, this same packing list applies! The gear, clothing, and weather conditions are identical, you’ll just need to plan for a shorter itinerary and can take advantage of the refugios for meals if you prefer.

If you are looking for my blog on everything you need to know about backpacking the O-Circuit, you can read it here.

Updated for the 2026 Patagonia trekking season:

This guide includes the latest info on gear, weather, and trail conditions for both the O Circuit and W Trek in Torres del Paine National Park.

Disclaimer: This blog post contains affiliate links, meaning I receive a small commission of every purchase made with my links at no additional cost to you. Sometimes there is even a discount code for my readers which I specify next to the links.

Table of Contents

    couple holding hands, standing on a rock at the base of a bright blue alpine lake with huge jagged peaks in the background

    Everything You’ll Need: O Circuit and W Trek Packing Essentials

    Whether you’re tackling the full O Circuit or the shorter W Trek, this packing list covers all the gear, clothing, and essentials you’ll need to stay comfortable on the trail. I’ve broken it down by category, from base layers and mid layers to outerwear, footwear, and camp gear, so you can quickly see what to pack, what to skip, and how to prepare for Patagonia’s famously unpredictable weather.

    Each item is something I personally used on the trek. Use this list as a complete guide for your own O Circuit or W Trek adventure.

    Clothing & Footwear for Trekking

    Choosing the right clothing and shoes is crucial for tackling Patagonia’s unpredictable weather on both the O Circuit and W Trek. You’ll want layers that keep you warm, dry, and comfortable, plus sturdy footwear for rocky, often wet trails. Below is everything I packed for clothing and shoes, organized by base layers, mid layers, outer layers, and footwear.

    Remember, the same clothing setup works for both treks, so whether you’re planning the full O Circuit or the shorter W Trek, this list has you covered.

    Base Layers, Tops, Underwear, and Socks

    Mid Layers - Fleece and Puffy Jackets

    • Fleece: Patagonia R1 Air Full-Zip Hoodie - Men’s | Women’s

    • Ultralight Fleece: FarPointe Alpha Cruiser - Unisex

    • Hybrid: Stio Dawner Jacket - Men’s | Women’s - Use promo code SKYE15 for 15% off Stio

    • Synthetic Puffy: Outdoor Research SuperStrand LT Hoodie - Men’s | Women’s

    Bottoms - Pants, Shorts, Rain Pants

    Outerwear - Down Jackets, Rain Jackets, and Gloves

    • Down Jacket: Outdoor Research Helium Down Hoodie - Men’s | Women’s

    • Rain Jacket: Outdoor Research Aspire Rain Jacket - Women’s | Outdoor Research Foray Rain Jacket - Men’s

    • Gloves: Outdoor Research Sure Shot Soft Shell Gloves - Men’s | Women’s

    Shoes - Hiking Shoes and Camp Sandals

    zpacks triplex tent in patagonia

    Backpacking Sleep System

    A good night’s sleep is essential for enjoying long days on the O Circuit or W Trek, and your sleep system can make or break your comfort on the trail. This section covers everything I packed for sleeping: my tent, sleeping bag or quilt (what I recommend and use on every backpacking trip), sleeping pad, and pillow. I’ve included items I found essential, so you can optimize your setup for Patagonia’s variable weather.

    Choosing lightweight but warm and comfortable gear is key, since Patagonia nights can be chilly even in their summer, and a well-planned sleep system keeps your base weight manageable.

    Sleep System Essentials

    girl in patagonia with hyperlite southwest 55L and camera pod

    Backpacking Pack

    I use the Hyperlite Southwest 55L for all of my backpacking trips, including the O Circuit and W Trek in Torres del Paine. Weighing just under 2 lbs, it’s incredibly lightweight but still roomy enough to carry all my essential gear comfortably.

    A good backpack is key for keeping your base weight low and making multi-day treks more enjoyable, and the Hyperlite Southwest 55L strikes the perfect balance between durability, comfort, and minimalist design. Whether you’re hiking Patagonia or another multi-day trek, this pack can handle it all.

    Accessories + Stuff Sacks

    girl in patagonia with hyperlite camerapod

    Toiletries and Hygiene Essentials to Stay Fresh on the Trail

    Keeping clean on the trail doesn’t have to be complicated, but packing the right toiletries can make a big difference for comfort during your Patagonia trek. From toothpaste and sunscreen to quick-dry towels and personal care items, here’s everything I brought for the O Circuit, most of it works perfectly for the W Trek too. Anything with a strikethrough is something I wouldn’t pack again, so you can streamline your own kit.

    Toilet Bag - Everything You Need to Use the Bathroom while Backpacking

    Face & Body Kit - Toiletries for at Camp

    Camp Kitchen - Everything You Need to Cook on Trail

    Even on multi-day treks like the O Circuit or W Trek, a lightweight and organized camp kitchen makes meals easy and enjoyable. This section includes everything I packed for cooking and food prep, from my stove and cookware to utensils and food storage. I’ve highlighted the items I found essential.

    Planning your meals carefully not only keeps you fueled for long hiking days but also helps minimize your pack weight and simplifies cleanup at the campsites.

    Cooking Gear

    Backpacking Food Guide: What to Bring on Patagonia Treks

    Planning your food carefully is essential for staying energized on long days in Patagonia. On both the O Circuit and W Trek, you’ll want lightweight, high-energy meals and snacks that are easy to pack and prepare at campsites. This section covers what I brought for breakfasts, lunches, dinners, and trail snacks to keep fueled for all-day hikes.

    Whether you’re cooking at the refugios, at designated campsites, or enjoying quick no-cook snacks on the trail, these tips will help you plan a food setup that’s convenient, lightweight, and satisfying for your trek. If you do decide to have meals at the refugios, you will carry less, but they need to be pre-booked in advance at most refugios. Some do have stores with snacks and meals, or even walk in dinners, but not all, so do your research in advance. There were no freeze dried meals at any stores though, so we did bring our own with us from the US in our checked bag. We only brought vegetarian meals, since we had heard that meat doesn’t always make it through TSA when entering the country. There were no issues with the vegetarian Mountain House meals we brought, and I do recommend packing your own if you are going fully or partially self supported.

    • Mountain House Freeze dried dinners x 8

    • Luna Bars and protein bars x 16

    • Instant oatmeal

    • Membrillo (solid brick of jam to add to oatmeal that we got in Puerto Natales)

    • Clif Shot Bloks x 6

    • Cookies, crackers, snacks

    • Peanut butter jar

    • Flat bread

    • Hard cheese triangle x 2

    • Hard salami sausages x 4

    • Vegan jerky packages x 2

    • Pickle packet x1

    Electronics - Camera, Battery Pack, Charging Cords

    Camera Gear

    Phone

    • iPhone

    • Charging cord

    Electronics Accessories

    FAQ: Packing for the O-Circuit & W Trek in Torres del Paine

    What is the difference between the O Circuit and the W Trek?
    The O Circuit is a full loop around Torres del Paine and takes 7–9 days, while the W Trek is a shorter 3–5 day version that covers the park’s three main valleys. The weather, terrain, and gear needs are nearly identical, so this same packing list works for both.

    How much should my backpack weigh for the O Circuit?
    Most hikers aim for a base weight between 15–20 lbs (7–9 kg). With food included, most packs land between 25–35 lbs depending on your gear, comfort items, and how many days of food you carry. Lightweight clothing layers and an efficient sleep system help keep the weight down.

    Do I need trekking poles for Patagonia?
    Yes, trekking poles are highly recommended. The trails can be muddy, windy, rocky, and steep, and poles help with balance, reduce knee strain, and make river crossings or high-wind sections much safer.

    What kind of shoes are best for the O Circuit and W Trek?
    Trail runners or lightweight hiking boots both work well. I prefer trail runners for comfort and quick drying, but boots offer more ankle support. Either way, choose something broken in, waterproof or quick-drying, and designed for rocky terrain.

    How cold does it get at night on the O Circuit?
    Even in peak summer, nighttime temps can drop into the 30s°F (0–5°C). A warm sleep system—such as a 20-degree quilt or sleeping bag paired with an insulated sleeping pad—is essential for staying comfortable.

    Do I need rain gear for Patagonia?
    Absolutely. Patagonia is famous for fast-changing weather, strong winds, and sudden rain. A reliable rain jacket is non-negotiable, and many hikers carry rain pants as well (even if they end up using them sparingly).

    Can I buy fuel in Torres del Paine or Puerto Natales?
    At the time of visiting we didn’t see fuel inside the park for purchase, but isobutane canisters are easy to find in Puerto Natales at gear shops. A single medium canister is enough for the O Circuit if you’re using a
    JetBoil-style stove.

    Should I bring all my food from home?
    You can find basic snacks in Puerto Natales, but freeze-dried meals are not available. If you want
    Mountain House or similar meals, bring them from home in your checked luggage. Many hikers also pack lightweight staples like oatmeal, bars, and cheese.

    Do the campsites have bathrooms and showers?
    Yes, every paid campsite on the O Circuit and W Trek has bathrooms with running water, and many have hot showers (although the quantity and quality does vary). You’ll still want to pack your own toiletries, wipes, and a lightweight towel, but you won’t need a full backcountry bathroom setup.

    Do I need to reserve campsites in advance?
    Yes. Campsites on the O Circuit and W Trek must be booked ahead of time, especially during peak season. Some refugios also offer meals, but those require separate reservations and can sell out early.

    Is it safe to drink the water on the trek?
    The water in Patagonia is incredibly clean, but I still recommend using a lightweight filter like the
    Katadyn BeFree for safety, especially in high-traffic areas near camps and popular viewpoints.

    What is one item most hikers forget to pack?
    A
    waterproof pack liner or a pack cover. Even if your pack is water-resistant, Patagonia’s weather can soak everything. I prefer a pack liner since the intense winds can blow a pack cover off. A simple ultralight pack liner keeps all your gear dry and weighs almost nothing.

    Gear Discount Codes and Links

    I’ve partnered with a few of my favorite outdoor brands to hook you up with exclusive discounts on trail-tested gear. These are companies I actually use and love, and when you shop through the links below, you’ll get a deal and help support my blog. Win-win!

    Final Thoughts on Packing for Patagonia’s O Circuit & W Trek

    Packing for the O Circuit or W Trek in Torres del Paine doesn’t have to be overwhelming. With the right gear, clothing, and food, you can focus on enjoying Patagonia’s incredible scenery, unpredictable weather, and unforgettable hiking experiences.

    Remember to prioritize lightweight, functional items that keep you warm and comfortable, and tailor your pack to your personal hiking style and itinerary. Whether this is your first multi-day trek or your tenth, a thoughtful packing setup makes all the difference in having a smooth, enjoyable adventure.

    Patagonia is truly a one-of-a-kind destination, and taking the time to plan your pack carefully ensures you can make the most of every day on the trail. Happy trekking!

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    Backpacking The O-Circuit in Torres Del Paine, Patagonia: A Complete Patagonia Hiking Guide