Biosphere Reserve Lake Tana was created to protect natural biodiversity and preserve the rich cultural heritage of the Lake Tana region; since June 2015 it has been included in the UNESCO World Network of Biosphere Reserves. The reserve is located in the northwestern part of Ethiopia, in the Amhara region, covers an area of 695,885 hectares. The main natural attraction of the reserve is the largest body of water in the country - Lake Tana. It is located at an altitude of 1830 meters above sea level, its water surface is 3500 square kilometers, length is 84 kilometers, width is 64 kilometers, and the maximum depth is 15 meters. About 50 rivers flow into the lake, the largest of which is the Small Abbay (Upper Blue Nile), followed by the Blue Nile River. Across the lake, more than 20 islands covered with tropical vegetation are scattered. Many species of trees, shrubs and medicinal plants grow here, including endemic and endangered species. The reserve is assigned to key ornithological territories of international importance, 217 bird species live on the lake, including pelicans, black crane, bearded crane, screaming eagle, yellow-faced parakeet. Among the representatives of mammals are hippos, black and white colobus (a species of monkeys of the monkey family), spotted hyenas, porcupines, predatory cat, Ethiopian genet, antelopes. In the wetlands one of the largest snakes in Africa lives - the Hieroglyphic python, which can reach up to 6 meters in length. Ethiopian Christian churches and monasteries of the 13th century, which have great historical and cultural value, are located on some of the islands of Lake Tana. Many of them function today, in the monastery of the island of Tana Qirqos monks still live. Many churches have preserved ancient frescoes, ancient manuscript books, clothes and regalia of the former Ethiopian monarchs; the monastery on the island of Daga contains burial places of Ethiopian kings and emperors. Legends and legends associated with Lake Tana state that treasures of Ethiopian kings, descendants of the Queen of Sheba and King Solomon, as well as relics of the Christian Church, including the ark of the Covenant, are hidden on its islands. 30 kilometers from Lake Tana, on the Blue Nile River, is located the Tis Isat Falls (Smoky Water) waterfall, its height is 45 meters, its width is 100 meters. Sunlight, refracted in water fog, forms a rainbow, which can often be observed over a waterfall. The city of Bahr Dar, built in the 16th century, is located on the southern shore of Lake Tana, and the city of Gondar (the capital of Ethiopia in the 15th-16th centuries) is located on the northern coast. Another attraction of Lake Tana is the ruins of Guzara Castle, built in 1572 by the emperor Sarsa Dengal. The castle is located in the northeastern part of the biosphere reserve, between the cities of Bahr Dar and Gonder, in 1979 it was inscribed on the UNESCO World Heritage List. Visitors to the biosphere reserve can take a boat trip around the lake, try to manage a traditional papyrus pie, visit island monasteries (most men are only allowed to enter the bottom), visit ancient Ethiopian cities located on the coast of Lake Tana, or go hiking in the jungle.