HomeProtected PlacesMount Arjuno-Welirang National Park
Mount Arjuno-Welirang National Park adventures

Mount Arjuno-Welirang National Park Adventures

Mount Arjuno-Welirang National Park is a volcanic mountain park offering exceptional opportunities for hiking, wildlife viewing, and exploring diverse tropical ecosystems within East Java's highlands.

34,000
Acres Protected
30
Miles of Trails
20,000
Annual Visitors
1989
Year Established

About Mount Arjuno-Welirang National Park

Mount Arjuno-Welirang National Park
 

Mount Arjuno-Welirang National Park spans a volcanic complex comprising two prominent stratovolcanoes: Mount Arjuno and Mount Welirang. Covering a significant area in East Java, Indonesia, the park features rugged volcanic landscapes, dense montane forests, and fertile volcanic soils that support diverse flora and fauna. The park's elevation ranges from lowland tropical forests to alpine zones near the peaks, creating varied ecological niches that shelter a range of bird species and small mammals. Historically, the volcanic activity of the Arjuno-Welirang complex has shaped the landscape, and sulfur deposits on Mount Welirang have cultural and economic significance. Visitor appeal includes challenging hikes to summits offering panoramic views of the surrounding region, volcanic solfataras with sulfur vents, and serene forested trails. The park is popular among backpackers and nature enthusiasts seeking a combination of volcanic adventure and rich biodiversity. Key landmarks include the crater rim of Mount Arjuno, sulfur vents of Welirang, and several scenic waterfalls in the foothills. The area's cultural importance and natural beauty make it a significant destination for both local and international visitors interested in Indonesia’s volcanic landscapes and tropical montane habitats.

Highlights

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Summit hike to Mount Arjuno with panoramic views of East Java

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Sulfur vents and fumaroles at Mount Welirang

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Diverse montane forest ecosystems rich in endemic bird species

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Waterfalls and natural springs scattered throughout the lower slopes

Notable Natural Features

Mount Arjuno Summit

The highest peak in the park at approximately 3,339 meters, offering extensive views of East Java and volcanic terrain.

Mount Welirang Sulfur Fields

Active fumaroles and sulfur vents that create a unique volcanic landscape and are a source of natural sulfur mining.

Montane Forest Ecosystem

Lush forest zones home to various endemic species of birds, orchids, and mammals.