Tamme-Lauri oak (Estonian: Tamme-Lauri tamm) is the thickest and oldest tree in Estonia, located in Urvaste, in the south of Estonia. The height of the tree is 17 metres, circumference is 831 centimetres (327 in), measured 130 centimetres (51 in) from the ground. According to researchers, the tree was planted around 1326. [EXIF]