Flash flooding has killed at least 224 people in India and Pakistan over the last 24 hours, according to local officials.
Dozens more are missing after torrential rains struck two mountainous districts in the neighbouring countries.
Some 1,600 people have been brought to safety.
In India-controlled Kashmir, at least 60 people were killed in the remote Himalayan village of Chositi in the Jammu and Kashmir region on Friday. More than 80 others have been reported missing.
Meanwhile, in Pakistan, at least 164 people died in flash floods while rescuers evacuated 1,300 stranded tourists from a mountainous district hit by landslides.
Among those killed were 78 people in Buner district in the northwestern district of Khyber Pakhtunkhwa province, a government administrator said.
The delug