Wildlife Sanctuary

The Butterfly Conservatory

El Castillo, Northern Plains · $$

Verified against live sources on June 16, 2026

A rainforest regeneration project and educational center in El Castillo on the eastern end of Lake Arenal, dedicated to butterflies, frogs, insects, and native plants of the Arenal region. The Metamorphosis Tour walks visitors through butterfly life-cycle exhibits and an insect museum. The project is supported by visitor entrance fees and donations.

Contact and links

Where to find it

Approximate location. The Butterfly Conservatory serves the El Castillo area; contact them for the exact spot.

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