Eastern Region is distinct with its picturesque highlands, rainforest and waterfalls. The man-made lake Volta runs along its eastern border. The region is ideal for walking trips, angling, and canoeing and cultural activities. Nsawam is the mango and pineapple plantations center of Ghana. Papillion Antimachua, the largest butterfly in Africa is found in Atewa-Atwirebu Forest near Kibi. Esen-Epam Forest Reserve has the tallest tree in West Africa, reported to be 107 meters high. Koforidua is the regional administration, commercial and educational center. Aburi Botanical Gardens has a worldwide collection of plants.