Shigar River is located in the mountainous Baltistan region of northern Pakistan. The Shigar is formed from the melted water of the Baltoro Glacier and Biafo Glacier. It flows through the Shigar Valley. The river is a tributary to the Indus River and meets the Indus in Skardu Valley. The Shigar is the main right-bank tributary of the Indus River Valley in th…Shigar River is located in the mountainous Baltistan region of northern Pakistan. The Shigar is formed from the melted water of the Baltoro Glacier and Biafo Glacier. It flows through the Shigar Valley. The river is a tributary to the Indus River and meets the Indus in Skardu Valley. The Shigar is the main right-bank tributary of the Indus River Valley in the Skardu Valley.