Tnjri is a 2033 years old giant Oriental plane tree situated nearby the village Skhtorashen, Martuni Region of Artsakh. The hollow of the tree is 44 sq.m., where more than 40 people can stand. The area covered by the foliage of the tree is 1400 sq.m.
The circumference of the tree is 27 m and the height is more than 54 m which can be compared with an 18 story building. The tree is situated on a valley not far from the village and stands near a natural spring water, which is the main source of irrigation for it.
Tree has been visited by many famous people - such as inventor of Armenian alphabet Mesrop Mashtots, first Armenian historian Movses Khorenatsi, musician and poet Sayat-Nova.