Nature Field Guide
Poás Volcano
- Spanish name
- Volcán Poás
- Scientific name
What Do Pico & Tati Think?
Join Pico and Tati to discover Volcán Poás and learn how volcanoes help shape Costa Rica.
Species overview
About the Poás Volcano
Poás has a large main crater and a separate lake called Botos. Its history includes explosive eruptions. Crater gases, water and volcanic rock offer clues to processes beneath the ground. The appearance of the main crater lake can change.
Identification
Key Features of the Poás Volcano
A very wide main crater.
Exposed volcanic rock and crater walls.
Cloud forest around the volcanic landscape.
Habitat & range
Alajuela province, in the Central Volcanic Mountain Range.
Local observations
A Costa Rican volcanic landmark. This educational profile does not describe live eruption status or guarantee visitor access.
When to observe
Explore in daylight only when the site is open and conditions permit. Ask an adult to check official access information, weather and volcanic advisories before a visit. Clouds can hide the landscape.
Conservation & care
Explore with an adult. Follow staff instructions, authorized trails, barriers and closures. Leave rocks, plants and wildlife in place and carry out litter. Follow park instructions about volcanic gases, protective equipment and time at viewing areas.
Observation activity
Compare a picture of the main crater with a picture of Botos Lake. List three differences.
Plan Your Visit
Poás Volcano National Park — visitor entrance
Getting There
Travel through Poasito and follow signs to the national-park visitor entrance. Continue to the viewpoint only along the authorized visitor route.
Before You Go
Book through the SINAC reservation system. Volcanic activity can change access; confirm current opening and follow ranger instructions.
Visit information reviewed October 8, 2026. Confirm current access before travel.