Ein Heet Cave is a

natural Nature is an inherent character or constitution, particularly of the ecosphere or the universe as a whole. In this general sense nature refers to the laws, elements and phenomena of the physical world, including life. Although humans are part ...

cave Caves or caverns are natural voids under the Earth's Planetary surface, surface. Caves often form by the weathering of rock and often extend deep underground. Exogene caves are smaller openings that extend a relatively short distance undergrou ...

which is located 30 kilometers southeast of

Riyadh Riyadh is the capital and largest city of Saudi Arabia. It is also the capital of the Riyadh Province and the centre of the Riyadh Governorate. Located on the eastern bank of Wadi Hanifa, the current form of the metropolis largely emerged in th ...

city, near Alkharj, Saudi Arabia.

Description

Ein Heet is a

solutional cave A solutional cave, solution cave, or karst cave is a cave usually formed in a soluble rock like limestone (Calcium carbonate, with chemical formula ''CaCO3''). It is the most frequently occurring type of cave. It can also form in other rocks, incl ...

that is famous for its limestone formations, and natural water reservoir. It is located in Al-Jubail Mountain, about 40 kilometers from Riyadh in the Kingdom of Saudi Arabia. It is a known tourist site, and one of Saudi Arabia's caves with easy access. Inside the cave, there is an underground lake in internal circled holes of more than 30 meters deep and 150 meters long. In the past, the water level was high, and the convoys were supplying water from it. However, the water level has declined in recent times. The cave consists of numerous sinkholes (land subsidence). These sinkholes serve as an entrance to a large

groundwater Groundwater is the water present beneath Earth's surface in rock and Pore space in soil, soil pore spaces and in the fractures of stratum, rock formations. About 30 percent of all readily available fresh water in the world is groundwater. A unit ...

reservoir that is situated under the surface at great depth. It is the site of a star pin dating back thousands of years. The cave is distinguished by the coldness of water and atmosphere due to its limestone nature. Ein Heet is a known sources of minerals such as anhydrite. In 1938,

geologists A geologist is a scientist who studies the structure, composition, and history of Earth. Geologists incorporate techniques from physics, chemistry, biology, mathematics, and geography to perform research in the field and the laboratory. Geolog ...

discovered the first anhydrite rocks in the kingdom when King Abdulaziz Al-Saud invited them to survey the cave. In recent years, several experienced cave explorers visited Ein Heet cave with their heavy equipment. They reached the edge of a lake which is situated at a distance of 120 meters under the surface. By using scubas, they discovered waterways of this ravine or cave. According to their points of views, this cave has pure water and it is the most pure water in the world.

Ein Heet

It is an underground spring, about 390

meters The metre (or meter in US spelling; symbol: m) is the base unit of length in the International System of Units (SI). Since 2019, the metre has been defined as the length of the path travelled by light in vacuum during a time interval of of ...

deep. Its natural water runs throughout the year. Moreover, the Swedish brothers Lars and Eric Yostorm began to study the site by diving into the spring depths, and tracking waterholes. الدمام, شهد بالحداد- (2019-04-04). "كهف «عين هيت» مقصد السياح وهواة الغوص والهايكنج". alyaum. مؤرشف من الأصل في 6 أبريل 2019. اطلع عليه بتاريخ 04 نوفمبر 2019.

References

{{Saudi Arabia topics Caves of Saudi Arabia Limestone caves