Kalimantan is part of Indonesia and is located on the island of Borneo (which incidentally is Kalimantan in Indonesian). 73% of Borneo is covered by Indonesia and the rest is made up of Malaysia and Brunei. Kalimantan actually means ‘Burning Weather Island’ and derives from the Sanskrit for Kalamanthana as it is located close to the equator and as a result you can expect it to get pretty hot here. If you want to check out the equator in person, then make your way to the city of Pontianak which lies directly over the equatorial line.
The island is the third largest in the world and you will find acres of lush jungles here as well as snaking rivers and rugged countryside. As you would expect, trekking and hiking in the unspoilt rainforests are a favorite pastime here and you can check out all the local flora and fauna such as proboscis monkeys as you do so. Certainly if you want to get back to nature and check out a part of Indonesia that is far less visited by travelers, then Kalimantan is an excellent choice, and is also one of the most beautiful islands in this part of the world.