Sankos Tea garden is the last tea garden of West Bengal it borders Bhutan on one side and Assam on the other. It has Assam to its east, to the west it has Kumargram Tea garden, the Dumpara forest and subsequent part of Bhutan to the south, to the north lies the Huldibari busti.
The garden was founded in the year 1895, it got its name from the river Sankos which runs in the eastern border and separates it from Assam. Sankos is said to be derived from two words--Swarn – Kosh which means gold reserves. According to historical records, the river is supposed to have gold buried in its river bed.
The garden was maintained by the Assam Dooars Tea company under the management of Duncan Brothers and Company. Till 1977 the garden was maintained by the Calcutta Company, after which Goodricke Group Ltd took over the garden.
According to old historical records available, Sankos had a unique distinction, most managers served the garden for a minimum of 10 years. Some of the managers who served a decade each in Sankos were A.G Smith(1921-1932), D.Young(1932 -1947), Mr A.M.Bose, Mr R.S Taragi, Mr B.Raychaudhri, Mr B.Bonnerjea. Mr K.S David(1981-1984) and Mr Narendra Kumar Puri (1984-1988) served four years each.
Sankos produces top-quality CTC tea, a bulk of it bought from traders in Gujarat, Maharashtra and North India.