Yellow sulfur (Photo: Tom Pfeiffer)
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: A physically active tour to visit and climb some of Indonesia's most active and famous volcanoes: Papandayan and Galunggung in West Java, Merapi in Central Java, Kelud, Semeru, Bromo, the Tengger caldera, and Ijen in East Java.
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: A relaxed walking and study tour to one of Greece's hidden treasures and also one of the least known volcanically active areas in Europe.
: Our walking & study tours with a broader focus on nature, geology, landscape, photography, archaeology and culture: explore Greece, Ethiopia and many other wonderful travel destinations!