The Ujung Kulon area was first introduced by a German botanist, F. Junghun in 1846, when he was collecting tropical plants. At that time the richness of the flora and fauna of Ujung Kulon had begun to be known by researchers. Even the trip to Ujung Kulon was included in a scientific journal several years later. There were not many records about Ujung Kulon until the eruption of Mount Krakatoa in 1883. However, the enormity of the Krakatoa eruption which produced a tsunami wave approximately 15 meters high, had devastated not only the settlements of the people in Ujung Kulon, but the wildlife and vegetation there. Although the eruption of Krakatoa had wiped out the Ujung Kulon area, several years later it was discovered that the ecosystem-vegetation and wildlife in Ujung Kulon grew well and quickly. There are several islands that you can visit here, one of which is Handeuleum Island, an island rich in mangrove diversity. On Handeuleum Island there is a quiet location that offers a trip through the river to enjoy various types of forests, types of wildlife and swampy areas. Tourist activities on Handeuleum Island can be enjoyed by canoeing along the Cigenter River in the middle of the mangrove forest with the chirping of birds adding to the beauty and naturalness, at the head of the river there is a view of the Cigenter waterfall.