Which River is Known as the Lifeline of the Thar Desert?

India is home to many rivers. The country has over 400 rivers and 20 major river basins. The Ganga is the longest river in India. The Brahmaputra is well-known for being the largest river in the country. Many rivers have unique nicknames.

For example, the Kosi is called the "Sorrow of Bihar". The Godavari is known as "Dakshin Ganga". These names show how much these rivers mean to the people.

But do you know which river is called the Lifeline of the Thar Desert? This special river is different because it never reaches the ocean. Instead, it ends in the salty marshes of the Rann of Kutch. It is the only major river in this large, dry area.

In this article, we will explore this amazing river, its journey through the sands, and why it is essential for survival in the desert.

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Which Is The Only River Of The Thar Desert?

The Luni River is well known as the Lifeline of the Thar Desert. It is the only significant river system in this large, dry area of northwest India. 

The river starts its journey in the Pushkar Valley of the Aravalli Range, close to Ajmer in Rajasthan. From there, it flows southwest for about 495 kilometres through the dry plains of the Marwar region.

The Luni flows through several districts in Rajasthan, including Jodhpur and Barmer. It then enters the state of Gujarat. 

Unlike most rivers that flow into the ocean, the Luni is unique because it never reaches the sea. Instead, it empties and disappears into the marshy lands of the Rann of Kutch.

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10 Lesser-Known Facts About the Luni River

• In ancient Sanskrit texts, the river is called Lavanavari, which literally translates to "Salt River".
• The water is completely fresh for the first 100 kilometres, but it turns extremely salty once it reaches the town of Balotra.
• It is a rare endorheic river, meaning it belongs to an inland drainage system that does not drain into any ocean or sea.
• At its source in the Aravallis, the river is not called Luni; it is known as the Sagarmati.
• The Luni is an ephemeral river, which means it only carries water during the monsoon season and remains a dry bed for the rest of the year.
• The Jojari is the only major tributary that joins the Luni from the right bank, and it is the only one that does not originate in the Aravalli Hills.
• Instead of cutting deep into the ground, the river tends to widen its bed because the desert soil on its banks is very loose and easy to wash away.
• The Jaswant Sagar Dam, built in 1892 by Maharaja Jaswant Singh, is one of the largest artificial lakes in India created on this river.
• Despite its saltiness, the river is the primary source of groundwater recharge for irrigation in the middle of the Thar Desert.
• Some geologists believe the Luni may be a surviving part of the legendary and ancient Ghaggar-Hakra river system.

Which River Disappears In Rann Of Kutch?

The Luni River is the main river that vanishes into the Rann of Kutch. After flowing through Rajasthan, it enters Gujarat. Because the land is flat and the weather is dry, the river weakens and eventually disappears into the muddy salt flats of the Rann of Kutch rather than flowing into the Arabian Sea.

Which River Is Known As Salt River?

The Luni River is often known as the "Salt River" or Lavanavari in Sanskrit. Although the water is fresh at its source, it becomes very salty after it reaches Balotra. This occurs because the river flows through soil with a high salt content in the desert.

Which Is The Only Seasonal River In The Thar Desert?

The Luni River is the most important seasonal (ephemeral) river in the Thar Desert. It does not flow year-round and only carries water during the monsoon season. For the rest of the year, the riverbed remains almost completely dry.

Which River Is Known As Sagarmati?

The Luni River starts as the Sagarmati in the Aravalli Range near Ajmer. It is called "Luni" only after it connects with its tributary, the Saraswati River, at a location known as Govindgarh. From there, it flows towards the desert.

Which Is The Largest River In The Thar Desert?

The Luni River is the largest river system in the Thar Desert. It stretches approximately 495 kilometres and is the only significant source of surface water for the dry areas of Rajasthan. This makes it crucial for the desert's ecosystem and survival.

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