Kalimantan, the Indonesian part of Borneo, is home to one of Southeast Asia's largest tropical rainforest regions and an extraordinary diversity of wildlife. Explore winding rivers, vast wetlands, and ancient forests where endangered orangutans, proboscis monkeys, and countless bird species thrive. River cruises reveal remote villages and untouched landscapes, while national parks such as Tanjung Puting National Park showcase some of the world's richest ecosystems. Beyond its natural beauty, Kalimantan is also home to Indigenous Dayak communities, whose traditions, crafts, and culture have shaped the region for generations, creating a destination where nature and heritage exist side by side.