This page contains specific information about sugi (Cryptomeria japonica) '6436', which can be found at Mt Takatsuka in Yakushima (Kagoshima).This tree is called "Jōmon Sugi". This tree is between 2100 years old (carbon dating results from the inside the hollow trunk) and 7200 years old (estimated from its girth compared to other local trees). It was 'rediscovered' in 1967 and is a popular hiking destination.
The girth of the tree, measured at a height of , is 16.20 m 1.30 m (Jan 28, 2012, Wikipedia). Its height is around 25.30 m (Jan 28, 2012, measurement method unknown, Wikipedia).
AgeThe age of the tree was estimated by these persons:
|Year||Planting or germination year||Age||Measurement|
|Jun 21, 2012||2000 BC ± 3000||4015 ± 3000 y||Jenny|
|Dec 2, 2012||1000 BC ± 1000||3015 ± 1000 y||Conifers|