This oak tree (height about 20.5 m), interesting with its three trunks, which branch at 2 m height, grows in the telmological reserve of Purviniškės. Its trunk girth at a height of 1.3 m is 3 m, diameter is 0.69 m, crown width is 16 m, crown height is 18.5 m. The age of the oak is about 160 years.
