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Which river supplies nearly all the water that enters the Dead Sea?

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White salt deposits cover rocks along the shore of the Dead Sea near Masada, Israel, with green water and dramatic cloudy sky in the background. — Dead Sea Salt deposits at the Dead Sea near Masada, Israel.

The Jordan River is the primary source of water for the Dead Sea, supplying nearly all of the water that enters the lake.12

Flowing from the north, the river historically provided a significant annual volume of water to the Dead Sea. However, since the 1960s, the extensive diversion of the Jordan River's waters for irrigation and commercial use by Israel and Jordan has drastically reduced this inflow, serving as the principal cause for the significant and ongoing decline in the Dead Sea's water level.234