Ghaggar-Hakra river, Seasonal river system in northwestern India
The Ghaggar-Hakra is a seasonal river system that crosses Himachal Pradesh, Haryana, Punjab and Rajasthan, flowing through wide plains toward the Thar Desert. The riverbed shows mostly sandy channels during dry months, while it can swell into a broad watercourse during monsoon rains.
Indus Valley settlements emerged along the banks between 2600 and 1900 BCE, when the river system likely carried water year-round. The river began to recede after this period, which many archaeologists link to the decline of these early urban centers.
The name Sarasvati appears in Vedic hymns and remains connected to this river system by pilgrims today, reflected in local place names and religious practices along the banks. Farmers in the region often call the water a blessing during monsoon season when the otherwise dry channels show life again.
The river is best observed during or just after monsoon season, when water flows through the channels and the landscape turns green. Most access points lie in rural areas, so visiting with local knowledge of safe spots along the banks is recommended.
The Ottu barrage marks the boundary where the Ghaggar changes its name to Hakra, though it remains the same watercourse. This name shift reflects old regional traditions that persist in the language of local residents today.
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