Mechukha or Menchukha (In Memba dialect, 'Men' means Medicine, 'Chu' means Water -streams, rivers, etc. & 'Kha' means Snow; Meaning "the land blessed with medicinal snow-fed water- river & streams") is a town, assembly constituency and subdivision, situated 6,000 feet (1,829 m) above sea level in the Mechukha Valley of Yargep Chu/ Siyom River in Shi Yomi district of Arunachal Pradesh state of India. Before the 1950s, Mechuka valley was known as Pachakshiri.