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Sirena to Los Patos hiking trail passes through virgin tropical rainforests brimming with wildlife. This might be the most difficult trek in Corcovado, but it’s definitely worth it. Begin your adventure with a boat ride along the Osa coast full of spinner dolphins and sea turtles, and cross over 30 kilometres/ 18.5 miles over 3 days of hiking. Your guide will lead the way and tell you all about the centuries-old trees, rich vegetation, and countless animals you encounter on this once-in-a-lifetime adventure!
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Day 1
After you meet your guide, board a boat to Sirena! Enjoy an hour-long boat ride and observe mammals on the beach, marine life (including dolphins, whales and sea turtles) and the Llorona waterfall. Hike to Sirena Ranger Station where you’ll make a stop and continue for your first official hike in Corcovado National Park. There are several hiking trails you can choose from depending on your interests. Arrival at Sirena Station is expected by 4 PM. You can continue roaming the wild Sirena beach or relax at the station before dinner at 5.30 PM.
Day 2
Today you’ll choose which trails you’d like to visit, depending on your interests and energy. There are 8 trail options 1-5 km/ 0.6-3 miles long featuring impressive trees, Sirena river, a myriad of birds, primary forest, and interesting species. Take a break around 10.30 AM with a lunch box and after the hike, continue roaming the wild Sirena beach or relax at the station before dinner at 5.30 PM.
Day 3
After a morning hike on the Guanacaste trail, you’ll head to your final 25 km/ 16 miles hike to Los Patos! First 10 km/ 6.5 miles of the trail are relatively flat. Have lunch in the forest and continue to a hike in the heart of the Osa Peninsula. You’ll walk a broken trail in the virgin tropical forest, take a refreshing dip in a natural pool in front of a waterfall and continue to the Baco Trail. Stop at Los Patos Ranger Station for some refreshments and water refills and hike along the Rincon River until arriving at La Tarde. Your guide will transport you back from La Tarde to Drake Bay where you’ll say goodbye to the spectacular scenery and rainforests and head back home!
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57hours is committed to providing safe outdoor adventure experiences. We require all guides using our platform to have a COVID-19 safety plan and to make the details of that plan accessible to travelers. In most cases, group sizes will be reduced, guides will avoid overcrowded locations, and other safety measures will be met depending on the location and activity.
We also expect clients to respect local regulations and take measures to protect themselves, guides and the communities they’re traveling to. For more information on COVID-19 measures in Corcovado National Park in Costa Rica, please refer to the Costa Rica Tourism Official Website.
Please contact us if you have any questions or require further information. We are happy to provide you with the most up-to-date information!
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What you get on this adventure:
- An experienced, local hiking guide with extensive knowledge of the area
- Three days of hiking in Corcovado National Park
- Rustic lodging in the wild rainforest for 2 nights
- All meals during the hike
- Park entrance fees and permits for 3 days of hiking
- Transportation to/from the trailhead
- Boat transport for Boat Ride tours
- Bathrooms with toilet paper
- Bedding (sheets, blanket, pillow, and mosquito net)
- Showers with soap dispenser
- Light inside the installations (turned off at 8:00 PM)
- Internet WiFi (weak signal)
Accommodations are very basic—dormitory-style rooms, each with two bunk beds and one single bed. Bedding is provided. Private rooms are only available if space permits; otherwise you’ll share a bedroom with other guests.
What’s not included:
- Transportation to the meeting point
- Transportation for the La Leona and Sirena Hiking Tour (possible for an additional fee)
- Snacks and water
- Towels
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The best thing about hiking in Corcovado is that there are incredible options for all skill levels. Hiking from La Leona to Sirena is suitable for less experienced hikers. There are plenty of beginner to intermediate trails in the area. If you can walk for four to six hours with little elevation gain, you are good to go!
It is essential to have previous trekking experience and an excellent physical condition to hike from Sirena to Los Patos. Walking at a moderate-fast speed is necessary. Be prepared for broken topography and humidity, excessive warm weather, slippery land and the weight of your backpack filled with water and other things you’ll need throughout the day.
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Traveling by boat is the most popular option for those who don’t want to spend 6–9 hours hiking through the rainforest. Boats to Sirena Ranger Station depart daily from Drake Bay.
The waters around Osa Peninsula contain 23 marine mammal species, including superpods of spinner dolphins and migrating humpback whales. Boat ride allows you to see some wildlife and sights that can’t be seen from the mainland. Observe marine life such as bull sharks and sea turtles, watch out for mammals on the beach, and once you reach Drake Bay, enjoy the views of the Llorona waterfall—a 100-foot waterfall that marks the end of the Las Marias Trail from Corcovado’s Sirena Station.
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Here’s a list of the equipment you need to bring:
- Backpack large enough to carry all the items listed (around a 35-45L bag)
- Hiking poles — optional
- Water bottle or hydration bladder (2L capacity)
- Water filter & tablets
- Lightweight hiking boots or shoes
- Sandals or flip-flops
- Spare clothes for layering
- Waterproof rain jacket
- Sunhat
- Towel
- Raincoat
- Dry bags
- Toiletries (sunscreen, hand sanitizer, bug spray, toilet paper, etc.)
- Headlamp or flashlight
- Sunglasses
- Camera — optional (but recommended)
Dress comfortably and for the weather in clothes you can move in. We suggest bringing clothing appropriate for the season. Layers are best and don’t wear jeans.
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Remember that you are in the tropics. On the Osa Peninsula, temperatures seldom drop below 27°C (80°F) in the rainy season and may exceed 35°C (95°F) in the dry season. Combined with the high humidity (60 – 100%), conditions here can become uncomfortable. Physical activity in such conditions is much more tiring than in cooler climes, and unless you take the appropriate precautions, sunburn, heat exhaustion, sunstroke and dehydration are likely consequences. Your guide will give you precautionary advice during adventure tours.
Corcovado expects 4 to 7 meters (160 to 280 inches) of rainfall annually, mainly between the months of April and November, heaviest in October. During this period, it rains every day, with heavy showers in the afternoon and evening. These thunderstorms, if they persist, can interrupt schedules as a result of swollen rivers and flooding. During such times Corcovado Park can be inaccessible and roads impassable. Throughout the rainy season forest trails will be muddy and in places slippery.
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Group sizes and prices:
- For these private adventures, groups usually consist of 4-6 guests and 1 guide.
- The cost per person decreases as the group grows, so it’s the perfect opportunity to hike with friends and family!
Hiking in Corcovado National Park can be arranged for larger groups. Contact us to make arrangements.
Min. age requirements:
- If you are older than 18, you’re good to go.
- Minors younger than 18 may be permitted to join the hike on a case-by-case basis, but must be in the presence of a parent or legal guardian.
If your group has hikers under the age of 18, contact us prior to booking to make arrangements.
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To get to Corcoavdo, most people fly into San Jose International Airport about 6 hours from the Osa Peninsula. From there, you can rent a car or take a shuttle service to the meeting point.
Once you and your guide agree on the details of your itinerary, your guide will suggest the best place to meet, whether that’s at the guide shop or a predetermined location in Puerto Jiménez or Drake Bay.
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