Paisu Pok Luk Panenteng Lake is known for its unusual appearance: the water appears black, although it is actually as clear as glass. The lake’s name comes from the language of the local community and means "black water," which accurately describes the color you see when you approach the area. However, the black color is not caused by any contamination or pollution.In fact, the black color you see is the reflection of the plants on the bottom of the lake. These plants produce a deep green color that, when viewed from above, appears as black.Despite this, the water is very clear and cool, making it a popular place to bathe and cool off during hot summer days. In the past, the water of the lake was salty because of its proximity to the sea.However, over time, natural processes have made the water fresh and free of salinity. This has made Paisu Pok Luk Panenteng Lake a popular destination for locals and tourists looking for a quiet and relaxing place surrounded by nature.