The Lidder River originates from Kolhoi glacier in the vicinity of Sonamarg and runs southwards through an alpine meadow called Lidderwat, for which the river was named. The river flows through lush green mountains of fir. The tourist village Aru is situated on its bank. It covers 30 kilometers to the tourist destination of Pahalgam where it meets a major tributary (the East Lidder) from Sheshnag Lake and runs westwards until it meets the Jehlum River at Gurnar Khanabal village of Anantnag. It has crystal blueish water as of Neelum River. Pahalgam occupies the central Lidder Valley.
The waters of the river are mainly used for irrigation purpose through different canals, the famous among them is Shah kol and drinking through water treatment plants.
The Lidder River or Liddar River (Urdu: لدر ندی), is a part of The Three Sisters (Kashmir) a 73 kilometers long river in the Kashmir region of India in the state of Jammu and Kashmir. It originates from Kolhoi Glacier 2 kilometers south of Sonamarg at an altitude of 4653 meters. After Nallah Sindh it is the second major tributory of Jehlum River and meets it at village Gurnar Khanabal at an altitude of 1615 meters.