Guided Visits To Corcovado National Park
From 1 day to 5 nights, from Puerto Jimenez or Drake Bay
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Rural Activities
Horseback riding, night walk, canopy tour, bird wathing, and more.
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Diving and Snorkeling at Caño island
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Whale and dolphin watching Tours
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Kayaking tours
In Sierpe river mangrove or Drake Bay
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Tours in Peninsula de Osa

Corcovado Tours

We are locals with a lifetime experience in our area and Corcovado is one of our Highlights.

Diving & Snorkeling

This activities are done at Cano Island a biological reserve that protects endangered species of wildlife.

Whale & dolphin watching

We offer guided kayaking tours in Drake Bay, and in Sierpe Mangrove. Sport and wildlife are our goals during the activity.

Rural Activities

Bird watching, horse back riding , the night walk and other activities that represent no impact to nature are part of this area.

Kayaking tours

We offer guided kayaking tours in Drake Bay, and in Sierpe Mangrove river. Sport and wildlife are our goals during the activity.


We have prepared several packages for those looking for a full immersion in nature in osa Peninsula home of 2.5% of the diversity of the planet.

Tours in La Fortuna de San Carlos-Arenal Volcano

christian o
Drake Bay, Night walk looking for frogs
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Drake Bay, night walk looking for frogs First of all Allan is an great tour guide !Very friendly and knowledgeable about Costa Rica and the different species of animals that inhabit this beautiful country. I first met Allan in Corcovado National Park while on a separate excursion, but i was planning on...
Jesper G
Great adventures with Osa Great Adventure
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Allan is a dedicated guide who loves nature and who takes time not only to show you the wildlife, he also teaches you everything you need to know along the way. Always with a smile, Allan really took good care of us and we would...
Great Adventure
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We (a small Group of three persons) were in Corcovado in November 2012 (not in 2015) for 2 days and one night at the sirena station. Allan was our guide. He grew up in Bahia Drake and know his territory very well. He will give...

Who we are

I created Osa Great Adventure in 2012 on a Facebook business-page while I was still working as a freelance tour guide in Corcovado National Park, doing mostly overnight tours for different companies from Puerto Jimenez and Drake Bay.

I never thought that I was going to be in charge of a successful company taking care of a lot of travelers from all over the world who wanted to do a Corcovado Tour.

During my time as a guide in Corcovado, I got to meet the best guides and those are the ones that today work with Osa Great Adventure. Certified naturalist tour guides, some of them with 30 years of experience that will make sure that you have an experience that you will never forget.

Allan Guevara
Founder and manager of Osa Great Adventure

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Our partners around the world

Costa Rica, La fortuna
Costa Rica