Corcovado National Park
From 1 day to 5 nights, from Puerto Jimenez or Drake Bay
Drake Bay
Snorkeling & Diving at Caño Island
We offer the best snorkeling and diving tours from Drake Bay, Uvita, Sierpe, and Dominical
Whale and dolphin watching Tours
From Drake Bay, Uvita, Sierpe, and Dominical.

Each location comes with a catalog of activities

Corcovado National Park

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

Caño Island

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

Drake Bay

Bird watching, horseback riding , the night walk, canopy, whale watching, Corcovado, Caño Island , and more.

Puerto Jimenez

Kayaking, night hike, visits to Corcovado, Bird watching, mangrove tour and more.


Whale & dolphin watching, Caño Island and Corcovado can be visited from Uvita.

Violines Island

A undiscoverd plce that will give you to inner peace and contact with nature in special way.

Our Blogging Area

Items list to bring to Costa Rica for your vacations PDF

It is totally understandable that when thinking of Costa Rica as your next destination to spend vacation time one only thinks of sun, beaches, animals, and adventure, but ignore the fact that in some places it can be cold, muddy or rainy.
You can decide what item could be of help and add it to your luggage.

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Tick-borne diseases in Costa Rica

Tick-borne diseases in Costa Rica is a topic that is usually discussed by travellers that find out they have gotten a one during a walk in nature and here I have useful information regarding this specific matter.

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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...
Osa Great Adventure travel agency

Osa Great Adventure was created in 2012 on a Facebook business-page while its founder 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.

He never thought that it was going to be the beginning of a successful company taking care of a lot of travelers from all over the world who wanted to visit Costa Rica.

Osa Great Adventure operates tours all over the country and offers high quality guided tours for solo travelers as well for groups and families.

Allan Guevara
Manager of Osa Great Adventure

Contact Us