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Carlos Arguedas C. carguedasc@nacion.com 09:46 a.m. 21/05/2013

San José (Redacción). El volcán Turrialba hizo hoy a las 9:15 a.m. una erupción de ceniza confirmó la Red SismolóMORE ...

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Arenal Volcano Official tourist Info

Submitted by on April 22, 2011 – 12:14 amNo Comment

At 5,437 feet,

the Arenal Volcano looms large and ominous over the pastured green hillsides that surround its base. As Costa Rica’s most active volcano, its storied history is charged with eruptions – both major and minor – that have intimately affected the region and the people who live here.


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Formed some 7,000 years ago from the adjacent (and now extinct) Chato Volcano, Arenal’s most recent eruptive period began in 1968 with an explosion that buried three small villages and left 87 people dead. Since then, the eruptions have been much less severe, although there continues to be effusions of smoke and lava on an almost daily basis. Rest assured, however—all of the area’s towns and hotels are set a safe distance from the volcano.

How the Volcano Works

Arenal is what is known as a stratovolcano – a tall, symmetrical volcano that’s built upon successive layers of rock, ash and lava. Due to the convergence of oceanic and continental tectonic plates, magma (the molten or partially molten rock that forms beneath earth’s surface) rises into Arenal’s volcanic chamber and eventually erupts from its top.

Arenal Volcano, 1968

1968 saw the largest recorded eruption in Arenal’s history. After nearly 400 years of inactivity, the Arenal Volcano burst open and buried over 5 mi² (15 km²) in rocks, lava and ash.

Arenal Volcano Eruption Photos

The Arenal Volcano erupts almost daily; smoke, gas and lava come pouring out its top and down its sides in a spectacular display of geologic activity. This page will introduce you to some of the biggest and baddest eruptions in recent history.

Volcano Heated Hot Springs

Thanks to geothermal activity beneath Arenal, the area surrounding the volcano is home to a number of hot springs. There are springs for every budget and style, and many serve up unobstructed views of the volcano.

Volcanoes of Costa Rica

Although it’s one of the more famous volcanoes in Costa Rica, Arenal is not the only one. In fact, there are six other active volcanoes and sixty dormant or extinct ones within the country’s borders.

Arenal Volcano National Park

The 29,692-acre (12,016-ha) Arenal Volcano National Park protects both the Arenal Volcano and the dormant Chato Volcano. The park begins near Lake Arenal and has both hiking trails and observational points for visitors to enjoy.

Lake Arenal

In many ways, Lake Arenal is just as monumental as the volcano that rises above its eastern shoreline. With a surface of over 33 sq mi (85 sq km) and a depth of some 200 ft (60 m), it is Costa Rica’s largest landlocked body of water. As such, it provides ample opportunities for activities such as windsurfing, fishing, boating and more.

Tours in Arenal

Visitors to Arenal can enjoy canopy tours and canyoneering adventures, guided hiking trips or white-water rafting excursions. There are hanging bridges to be explored and hot springs to be soaked in. This page introduces travelers to the most exciting, educational, and relaxing tours in Arenal.

Arenal, Costa Rica Photo Gallery

Arenal’s beauty is no secret – countless travelers have told tales of its smoking volcano, its vibrant rainforests, and its monumental lake. These images will help you to more accurately picture some of the better and lesser known faces of Arenal.

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