Num topographic maps
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Arun River
Nepal > Koshi Province > Sankhuwasabha > Num
The Tibetan name Bum-chu may refer to a religious ceremony attempting to divine prospects for the coming year from the level of water in a pot or well, chu is the Tibetan word for water. The river originates near Gutso in Nyalam County of Tibet. Around 17 kilometres (11 mi) downstream, the Men-chu joins it.…
Average elevation: 3,783 ft