page_title: Białowieża Forest
section_title: Named oaks
hierarchical_section_title: Białowieża Forest / Named oaks
context_page_description: Białowieża Forest is one of the last and largest remaining parts of the immense primeval forest that once stretched across the European Plain. The forest is home to 800 European bison, Europe's heaviest land animal. UNESCO's Man and the Biosphere Programme designated the Polish Biosphere Reserve Białowieża in 1976 and the Belarusian Biosphere Reserve Belovezhskaya Puschcha in 1993. In 2015, the Belarusian Biosphere Reserve occupied the area of 216,200 ha, subdivided into transition, buffer and core zones. The forest has been designated a UNESCO World Heritage Site and an EU Natura 2000 Special Area of Conservation. The World Heritage Committee by its decision of June 2014 approved the extension of the UNESCO World Heritage site "Belovezhskaya Pushcha/Białowieża Forest, Belarus, Poland", which became "Białowieża Forest, Belarus, Poland". It straddles the border between Poland and Belarus, and is 70 kilometres north of Brest, Belarus and 62 kilometres southeast of Białystok, Poland. The Białowieża Forest World Heritage site covers a total area of 141,885 ha.
context_section_description: The forest contains a number of large, ancient pedunculate oaks (Quercus robur), some of which are individually named. Trunk circumferences are measured at breast height, 130 cm (51 in) above the ground.
  Great Mamamuszi. Circumference 690 cm (270 in) (2005), height 34 m (112 ft). One of the thickest oaks in the forest, with a beautiful column-like trunk. The tree's name comes from Molière's The Bourgeois Gentleman, in which the main protagonist (Mr Jourdain) was appointed the Mamamouchi by a Turkish ambassador. Since 1989 the tree's circumference grew by 10 cm (3.9 in). Of all the oaks in Białowieża Forest with a circumference above 600 cm (240 in), it is in the best condition.
  The King of Nieznanowo. Circumference 620 cm (240 in), height 38 m (125 ft). This tree has one of the most columnar trunks among the oaks in Białowieża Forest. The first branches arise at the height of 18 m. It has been gradually dying since 1998. As of 2005, only two small branches still have leaves. Since the mid-1960s its trunk circumference has grown by about 45 cm (18 in).
  Emperor of the South. Circumference 610 cm (240 in), height 40 m (130 ft). The tree shows no clear signs of dying.
  Emperor of the North. Circumference 605 cm (238 in), height 37 m (121 ft). The tree has a very regular trunk and shows no clear signs of dying.
  Southern Cross. Circumference 630 cm (250 in), height 36 m (118 ft). At the base of the trunk it has a considerable lesion in the bark on the eastern side. From the mid-1960s its circumference has grown by 65 cm (26 in). The name comes from the shape of its crown, whose main branches evoke a cross.
  The Guardian of Zwierzyniec. Circumference 658 cm (259 in), height 37 m (121 ft). This is one of the thickest oaks in the forest. The tree is largely bent down westwards, which most probably has contributed to the large circumference of the trunk at its base. All the branches are live, indicating that the tree is in good condition.
  Barrel Oak. Circumference 740 cm (290 in), height over 30 m (98 ft). This tree is named for its barrel-shaped trunk, and is the oak which reaches the greatest trunk circumference among the Białowieża oaks. The tree is dead and largely devoid of bark, and is estimated to be around 450 years old.
  Dominator Oak. Circumference 680 cm (270 in), height over 36 m (118 ft). One of the thickest oaks of the Białowieża, the tree has been dead since 1992 and its trunk is now largely devoid of bark. For many years it dominated the Białowieża Forest as far as size is concerned. Its age is estimated at 450 years.
  The Jagiełło Oak. Circumference (when growing) 550 cm (220 in), height 39 m (128 ft). It blew down in 1974, but is probably the most famous of the trees in the forest. It is said that King Władysław II Jagiełło rested beneath it before the Battle of Grunwald (Bitwa Pod Grunwaldem) in 1410, although the tree is believed to have been only 450 years old when it blew down.
  Tsar Oak (Polish) (Polish: Dąb Car) of Poland. Circumference 640 cm (250 in), height 41 m (135 ft). The tree's volume has been estimated at 75 m³ (2,600 cu ft). It died in 1984, and for over 20 years it has been standing dead on the edge of the valley of Leśna Prawa river. Today the trunk is totally devoid of bark and some of the branches have broken off and lie at the base of the trunk.
  Patriarch Oak (Russian: Патриарх-Дуб). One of the oldest oaks in the Belarusian National Park, standing 31 m (102 ft) tall, having a diameter in excess of 2 m (6.6 ft), and being over 550 years of age. It stands 1 kilometre (0.6 miles) from the estate of Ded Moroz.
caption: The King of Nieznanowo oak
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