Astor River () is the main river flowing across the Astore Valley in Gilgit-Baltistan region of Pakistan. It is a tributary of the Indus River, and one of the rivers draining the Deosai Plateau.
Course The river originates on the western slopes of Burzil Pass and flows through the eastern slope of Nanga Parbat of the western Himalaya Range. Rupal River is a major tributary of Astore. It is mainly fed by melting snow. Astore River joins Indus at coordinates .
Hydrology The catchment area of Astore River is while its mean annual discharge during the period 19812010 is , with a minimum and maximum discharge of and , respectively.
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