It was formed from the Chato volcano also in Costa Rica (obv ;) ). The Chato Volcano is adjacent to the Arenal Volcano.
Hope this helps ;)
H x
Arenal, Costa Rica!
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Volcano Arenal.
The largest volcano in Costa Rica is "Arenal Volcano" with an elevation of 1657.
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It is Costa Rica's most active volcano.
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· Akan Volcano, Japan · Arenal Volcano, Costa Rica
The Arenal volcano and Arenal lake are located in San Carlos, La Fortuna.
Arenal Volcano, Costa Rica
No, Arenal is not a city. The name “Arenal” usually refers to the Arenal Volcano and the surrounding area in northern Costa Rica. The closest town is La Fortuna, which serves as the main hub for visitors exploring Arenal Volcano National Park, hot springs, hiking trails, and adventure activities. So while Arenal itself isn’t a city, it is one of the most popular destinations in Costa Rica for nature and adventure tourism.
You can go online to the official Arenal volcano website for the Costa Rican volcano. It will tell you all the up to date infromation on the activity of the volcano.