rinjani4dMount Rinjani looms large over Lombok. At 3,726 m, Rinjani is the second hhest volcano in Indonesia, second only to Mount Kerinci on Sumatra, and it dominates the landscape ofMount Rinjani looms large over Lombok. At 3,726 m, Rinjani is the second hhest volcano in Indonesia, second only to Mount Kerinci on Sumatra, and it dominates the landscape of