Onega River Onega River The Onega (; ) is a river in Kargopolsky, Plesetsky, and Onezhsky Districts of Arkhangelsk Oblast in Russia. The Onega connects Lake Lacha with the Onega Bay in the White Sea southwest of Arkhangelsk, flowing in the northern direction. The discharge at the source is and at the mouth is . The river is long, and the area of its basin . Its main tributaries are the Voloshka (right), the Kena (left), the Mosha (right), the Kodina (right), and the Kozha (left). The major tributary of the Lake Lacha is the Svid. The name of the river is
Butuan Bay Butuan Bay Butuan Bay is a bay and extension of the Bohol Sea a.k.a. the "Mindanao Sea", in the northeast section of Mindanao in the Philippines. Its main river source is the Agusan River, which empties into the bay at the coastal city of Butuan. Butuan Bay is completely contained with the Agusan del Norte province. Butuan Bay has only two major ports, the Port of Nasipit in Nasipit and the Port of Masao a.k.a. "Masao River Port" in Butuan City. The Port of Masao is Butuan City's seaport, and it was built to avoid having the city depend on