Kakaban

Kakaban island is part of the Derawan Islands, East Kalimantan, Indonesia.^[1]

The island has an area of 774.2 hectares (1,913 acres) and is quite steep. Its limestone cliffs are covered with dense jungle right down to the water's edge. The wall drops to 180 metres (590 ft), and currents can be strong with upwelling, downcurrent and reversing directions.

The most distinctive feature is the huge brackish water lake in the middle of the island, in the local dialect Kakaban means "hug" as the island hugs the lake from the surrounding seawater.

Jellyfish Lake

One of the harmless-to-humans jellyfish of Kakaban

In the middle of this island is a mangrove-fringed lake, slightly above sea level, where thousands of jellyfish which are harmless to humans live, making it interesting for diving. The jellyfish consist of four different species which do not have the ability to harm humans with their stinging cells. They are: Aurelia aurita with transparent body, Tripedalia cystophora which only has a tip finger size, Mastigias papua is likes a green-brown bulb, Cassiopea ornata which is upside-down jellyfish with their tentacles upright.^[2] All above jellyfishs are identical with it are found in seawater, cannot sting human, but still have poison and can sting its prey. Similar lakes exist in the Philippines ( Siargao ) Palau, with Jellyfish Lake being the best known.

The lake has warm brackish water and the bottom is covered with marine green algae. There are other animals living here, some sea cucumbers, gobies, sea anemones, tunicates, crustaceans, nudibranchs, orange purple clams and yellow clams on the branches, and snakes.

The lake is at most 17 metres (56 ft) deep with poor visibility and is 10 minutes walk from the beach. Kakaban was probably uplifted during the Holocene and sea water was trapped turning the area and formed a landlocked marine lake. The water is now a mixture of salt water and sweet water from the rain and it is called as freshwater.

Barracuda Point

This is a steep wall, where the current brings large pelagics like whitetip sharks, leopard sharks, jack, tuna, snapper and barracuda. Drift diving can be done with the help of a grab line permanently secured at 24 metres (79 ft) across a relatively flat area on the upcurrent side of the point. Currents can be fierce with down currents.

Blue Light Cave

The cave starts at a crack at 2 metres (6 ft 7 in) deep and descends through a narrow chimney. At about 21 metres (69 ft) the chimney opens into a large cavern that extends for about 120 metres (390 ft). The exit is a long vertical crack in the wall at 44 metres (144 ft). The name of the cave comes from the blue light of the sea which is seen from the cavern.

References

↑ Govt promotes new diving paradise in Aceh and Kalimantan
↑ "Danau Kakaban Danau Air Asin Paling Unik di Dunia". April 21, 2013.

Regencies and cities of East Kalimantan

Capital: Samarinda

Regencies	Berau Kutai Kartanegara West Kutai East Kutai Paser North Penajam Paser Mahakam Ulu

Cities	Samarinda Balikpapan Bontang

Tourist attractions in Indonesia

Sumatra	Ampera Bridge Baiturrahman Grand Mosque Barelang Bridge Bintan Island Bukit Barisan Selatan National Park Gunongan Historical Park Jam Gadang Kerinci Seblat National Park Krakatoa Lagundri Bay Lake Maninjau Lake Singkarak Lake Toba Lumbini Natural Park Maimun Palace Mentawai Islands Regency Nias Pagaruyung Palace Penyengat Island Sipura Tropical Rainforest Heritage of Sumatra

Java	Ancol Dreamland Anyer Arjuno-Welirang Batu City Bogor Palace Borobudur Cukang Taneuh Dieng Volcanic Complex Ceto Temple G-Land Gunung Gede Pangrango National Park Ijen Crater Istiqlal Mosque Karimunjawa National Park Kawah Putih Keraton Kasepuhan Kraton Ngayogyakarta Hadiningrat Malang Mount Bromo Mount Merapi Mount Semeru Mrapen Pangandaran Patenggang Lake Pelabuhan Ratu Penataran Prambanan Puncak Ragunan Zoo Sangiran Suramadu Bridge Taman Mini Indonesia Indah Tangkuban Perahu Thousand Islands Tirto Samodra Beach Tretes Trowulan Yogyakarta City Ujung Kulon National Park

Kalimantan	Betung Kerihun National Park Bukit Baka Bukit Raya National Park Danau Sentarum National Park Derawan Islands Kakaban Kutai National Park Sabangau National Park Samboja Lestari Tanjung Puting The Equator monument

Sulawesi	Bantimurung – Bulusaraung National Park Bogani Nani Wartabone National Park Bunaken National Park Kepulauan Togean National Park Lake Tempe Lore Lindu National Park Rawa Aopa Watumohai National Park Taka Bone Rate National Park Toraja Trans Studio Makassar Wakatobi National Park

Lesser Sunda Islands	Awang Bay Bedugul Bali Bird Park Bali Safari and Marine Park Canggu Cempi Bay Dreamland Beach Garuda Wisnu Kencana Gili Air Gili Meno Gili Trawangan Goa Gajah Gunung Rinjani National Park Jimbaran Kelimutu Kintamani Komodo National Park Kuta Lake Segara Anak Lovina Beach Mount Rinjani Mount Tambora Moyo Island Nusa Dua Nusa Lembongan Pecatu Rinca Sanur Seminyak Senggigi Tampaksiring Tanah Lot Tanjung Ringgit Tirta Gangga Ubud Ujung Water Palace Uluwatu

Maluku and Papua	Fort Belgica Lorentz National Park Puncak Jaya Raja Ampat Islands Teluk Cenderawasih National Park Wasur National Park

Coordinates: 2°08′57″N 118°31′48″E / 2.1491°N 118.5299°E / 2.1491; 118.5299

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