Hot springs in the bed of small stream and on the banks of it are found over the distance of some 400 metres. Hot water has deposited sinter and travertine along the banks of stream.
Here are six large springs – the most powerful one is spewing 35 l of hot water per second. Several springs are located below the level of river. Some though have deposited a cone of sediments and are rising above the stream and are spouting the water up to 4 – 5 m high.
Water temperature in the springs is 90 – 100 °C – and often it is above the temperature of boiling. The temperature of the river before the springs is approximately 28°C – after the mixing with hot springs the river is some 34 °C warm.
Geochemical investigations show that the heat is coming from the nearby Gunung Halimun or Salak volcanoes. Hot springs have existed here for more than 10 000 years.
The temperature of water in depth here is between 160 – 200 °C. Mineralogical analysis shows that in the past Cisolok springs were warmer – in the depth water was heated up to 220 °C.
In this area is well felt a smell of H2S. Sulphurous water is believed to have curative properties and over the last decades around Cisolok Hot Springs is developing a small resort – although in reality there is little sulphur in hot springs. Everyone can see the geysers for free and walk in the warm river, but there are made also some pools, where one should pay for bathing.
- Niniek Rina Herdianita, Wulandari Mandradewi. Evolution of Cisolok – Cisukarame Geothermal System, West Java – Indonesia, Based on Its Surface Manifestation. Proceedings of World Geothermal Congress 2010. Bali, Indonesia, 25-29 April 2010. Accessed on May 30, 2011
Cisolok Geysers and Hot Springs on the map
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|Location, GPS coordinates:||6.9335 S 106.4536 E|
|Categories:||Thermal springs, Geysers|
|Where is located?||Asia, Indonesia, West Java, Sukabumi regency, 4 km north-west from Cisolok (direct line)|
|Alternate names:||Tjisolok Geyser, Cipanas Cisolok, Mata Air Panas Cisolok|
GeysersHasty hydrogeologist would say: geysers are thermodynamically and hydrodynamically unstable hot springs. “Normal” people would say – geysers are hot springs which at more or less regular intervals shoot up a fountain of boiling water and steam. Sometimes these fountains are even 100 m tall… or even 450 m!
In Geysers: What They Are and How They Work, T. Scott Bryan explains the geological setting that produces the pressure, heat, and abundant water necessary for a geyser to form and introduces readers to the variables that shape each geyser’s distinct personality. Some geysers spout just inches above a pool of water and others blast hundreds of feet in the air from conical vents. Some remain quiet for decades only to explode unexpectedly several times in a single month while others regularly erupt at scheduled intervals.
Based on the Emmy award-winning documentary series of the same name, Ring of Fire is a first-person account of the adventures of two English brothers as they explore the astonishingly rich cultures of the Indonesian islands.