Exploring the Sirena ranger station located in Costa Rica's crown jewel, the Corcovado National Park is a once in a lifetime kind of experience. 

About Sirena: Sirena is Corcovado National Park's headquarters and the place to explore the abundant and often rare wildlife this region of Costa Rica has to offer.  There are several trials to be explored with your naturalist guide. On the inland trails you have the possibility to see Baird's tapir (critically endangered or absent in the rest of the country), sloths, 4 species of monkey, 2 species of sloth, coatis, snakes, lizards and tons of colorful birds and raptors. 

 Near the rivers you are likely to see American crocodiles, caimans, and several species of waterfowl including egrets, herons and others. 

What's Included?

• Round-trip boat transportation from Sierpe (private boat, guide and captain)

• Entrance fees

• Bilingual certified naturalist guide

• Lunch in the park

• Breakfast menu also available at additional cost $13pp (order from a menu ahead of time and everything is made from scratch, minimum 4 breakfasts for Sirena tours).

Schedule: Departs from Sierpe between 5:30 and 7am. Returns between 3 and 5pm.  We can coordinate transportation (additional cost) from Quepos / Manuel Antonio, Dominical, Uvita or Ojochal. Please inquire with us for pricing.  

Rough Itinerary:

1. Depart Sierpe and travel 35 minutes thru the calm river and canals of the Sierpe Terraba Wetland Reserve and then out into the ocean (passing through the rivermouth or Boca Sierpe which can be rough at times), and then another 90 minutes to Sirena (wet beach landing (water shoes are HIGHLY recommended), which can also be rough at times).

2. Spend the day hiking. You and the guide decide which trails to explore.

3. Depart Sirena no later than 12:30 or 1pm and return to Sierpe by 3 or 4pm.

What to Wear:  
Water Sandals! ~ You will start the morning off with by exiting the boat in the water so make sure to  wear water shoes for this (there are slippery and sharp rocks, so going barefoot or wearing flip flops is not an option) shorts or lightweight long pants. Depending on the tide, you might get a little wet when entering or exiting the boat in Sirena. (you can wear your bathing suit and change into dry hiking clothes once you get to Sirena ranger station 1 km away since walking in sand and salt soaked shorts is NO fun, they will not dry while walking)

What to Bring:
Closed-toed hiking shoes or rubber boots with knee socks so the boots don't rub your calf where they end, small tin of Zepol or vicks vapor rub to put ring around you ankles or calves, rain gear (poncho or jacket for the boat, umbrella for hiking - protects you from the rain and the sun and a waterproof bag for cell phones and cameras) - ALWAYS be prepared for rain, your cell phone so the guide can take pictures for you through the scope, day pack, plenty of water or water purification tablets (iodine) or a lightweight water filter or MONEY to buy water if absolutely necessary (the water from the spigot is NOT potable), sunscreen, hat, bandana, sunglasses, insect repellent, seasick medicine (take some the night before). Please always apply insect repellent away from other people (not everyone likes to inhale DEET or other chemicals).

What to Expect:

• a VERY early start (although you choose the time) from Sierpe (we have a breakfast menu available for $11pp - you order from a menu ahead of time and everything is made from scratch).

• A 2.5-3hr boat ride (45min in the calm river, 15 minutes entering the ocean (passing through the rivermouth or Boca Sierpe with waves which can be rough at times), about 1.75 hrs +/- in the ocean paralleling the coast to Sirena

• A wet landing on the beach (you need water sandals, not flip flops)

• A hot and humid day (bring plenty of water) hiking mostly in filtered sunlight / shade in the jungle

• Possibility of rain (this IS the RAINforest), Always be prepared for rain

• Lunch in the park at the cafeteria.

• Professional service from start to finish (boat, captain & guides)

Welcome to Sirena Biological Station!
This is a wilderness area with rustic amenities, please take a moment to read these few guidelines and do your part to helping us make ecotourism such as this more sustainable.

A Few Important Rules:

• Park tickets are tied to you and only you. You MUST have a picture of the ID page from your passport or other ID you used to confirm the tickets (on your cell phone is fine) available the day of the tour!  

• Tickets are NOT refundable or modifiable for ANY reason once paid. Park policy, not ours. 

• Closed toed shoes are required for hiking in Corcovado but bring water shoes for getting off and on the boat in the park. There are rocks and the sand can be very HOT. You will have an opportunity to wash off your feet and put on your hiking shoes. Bring a small towel to dry your feet.

• NO single use plastic bottles or any type of single use plastic is allowed in the national parks. They may deny your entry ENTIRELY if you bring any single use plastic, food, drugs, alcohol or knives. 

• Guests are responsible for their OWN water supply outside of mealtimes. Please bring an adequate supply of water for personal consumption during the day. Water and drinks will be provided at meal times. There is potable water in Sirena to refill your bottles or bottled water is available for purchase.

• NO food of any kind is permitted in Sirena of Corcovado (no trail snacks or anything unless you have young children or are diabetic (bring a doctors note) - they will search your backpacks!)

• Do not walk on the floor with muddy boots

• NO smoking inside the park.

• Pack out all of your trash!! This means everything you brought with you and maybe what someone else left behind!