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.
La Fortuna & Arenal Volcano
Monteverde, Cloud Forest
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Tours in Peninsula de Osa

Corcovado National Park

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

Whale & Dolphin Watching

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

Caño Island

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

Drake Bay

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

La Fortuna

Here you will find all the activities that you can do in La Fortuna de San Carlos. Here the most visited areas are the arenal volcano, the hot springs, and the sloth watching tour.

Monteverde

A place full of adrenaline and with a wide variaty of activities to do. The cloud forest awaist for you.

Uvita

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

Tortuguero

Discover its canals on a canoe or go checking the turtl tour in Tortuguero NaTional Park.

Sierpe

Mangrove tour, Corcovado, Caño Island whale & dolphin watching are some of its activities.

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...
Arthason
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...
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Who are we?

Osa Great Adventure travel agency

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 visit Costa Rica.

During my time as a tour guide, I have met 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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