The Mountains of Indonesia are part of the Pacific Ring of Fire, characterized by volcanic activity and diverse ecosystems. The country is home to several prominent mountain ranges, including the Barisan Mountains on the island of Sumatra and the Jayawijaya Mountains in Papua. These mountains feature lush rainforests, unique wildlife, and stunning landscapes. Many of Indonesia's mountains are active volcanoes, such as Mount Merapi and Mount Sinabung, which contribute to the region's rich soil and agricultural productivity. The highest peak, Puncak Jaya, reaches 4,884 meters and is known for its snow-capped summit, attracting climbers and adventurers from around the world.