Drive right up to the crater's edge at this active volcano in Indonesia

Tangkuban Perahu is one of around 130 active volcanoes in Indonesia. — Photos: CAROLA FRENTZEN/dpa

The road winds gently up the mountain from the town of Lembang on Indonesia’s main island of Java. The half-hour journey takes you through forests full of giant trees rising from the fertile volcanic soil.

But then, all of a sudden, the landscape changes.