East Java are still many mountains that are still active, including the Tengger Mountains ( Mount Bromo and Mount Mahameru, Ijen Mountains (Mount Raung and Mount Merapi). And many more mountains on the island of Java, which is still active or not active, especially in East Java, where I live. So do not be surprised if it lands on the island of Java is very fertile for growing tea or coffee. On to the 1200 meters high and 1500 meters of Ijen Mountains so many types of Arabica coffee plantation owned by PTPN XII, the company managed by the Government of Indonesia so that its quality is guaranteed.
