The southern portion of Chile is one of the many jewels in South America, and one of the most sustainable destinations in the world.The beautiful region of Patagonia and its main hub, Puerto Natales, Chile is full of national parks, fjords, beaches and glaciers at the end of the earth. If you're taking a journey to the area, you'll no doubt pass through or stay in Puerto Natales, the gateway to Torres del Paine and one of the greenest cities on the continent.There are so many things to do in Puerto Natales, both in and around the city that are not to be missed on your trip to Chile. Best Time to Visit Puerto Natales.Summertime is the most popular season to visit Puerto Natales due to the great weather. However, it is also the most expensive and crowded.The winters can be bitterly cold and the snow makes it hard to hike and participate in other outdoor activities. Spring and Fall can both be great if you're willing to sacrifice a bit. The weather may be more uncertain, but you'll save a bit of money and have more of the place to yourself.We visited Puerto Natales in the Spring and really lucked out with great weather and not too many other tourists on the trails. It was the perfect time to experience this region. We recommend visiting in the shoulder season with a bit of a preference for the summer months to keep the sunshine and warmer temperatures. The middle of the fall is also a great time to visit to see some stunningly colourful trees. The main attraction and draw of Puerto Natales, Chile is the nearby national park of Torres del Paine. This truly awe-inspiring nature reserve offers nature lovers the best of the best including hiking, kayaking, wildlife sightings, and more. Remember to stay on the trail, pack everything up on your way out and follow the principles of Leave No Trace.The W Trek is the most popular end-to-end hike in Torres del Paine National Park. It’s wild, rugged and beautiful. It’s a must-have experience for many people visiting the park.It will take you between 4-5 days to complete the hike. You can make the journey independently or with an optional guide. There are camping options as well as mountain refuges to stay in along the way. If you want an even more challenging route while trekking Torres del Paine, try hiking the O Route. It’s similar to the W Trek but is a closed circuit. Whichever you choose, you can rest assured that hiking one of these routes in Torres del Paine is one of the best things to do near Puerto Natales, Chile.If you’re not up for doing hikes or longer treks, there are plenty of awesome day treks that you can undertake instead. Most of the day treks can be done from Puerto Natales. Although if you can, it’s a great idea to base yourself inside Torres del Paine National Park and explore from within. A few of our favourite Puerto Natales day trips and treks include Sierra Baguales, Salto Grande and Huella de Puma. If you make the trip all the way to Torres del Paine National Park to see the glaciers, you might as well see them up close! Take a leisurely boat cruise through the icy fjords or a guided kayaking tour like we did.Mylodon Cave is a natural monument site about half an hour’s drive from Puerto Natales, Chile. It’s a fascinating place to take a tour and learn about the prehistoric creatures that once called this cave home.Take a Day Trip to Laguna Sofia There are many amazing Puerto Natales day trips you can take, but one of our favourites was the trip to Laguna Sofia. Only about 32 km (20 miles) outside of the city, Laguna Sofia is a beautiful natural area filled with waterfalls, a lagoon and great places to hike. Take a day tour here or simply rent a car and visit on your own.