Langano is a lake in the Oromia Region

Oromia Region

Oromia is one of the nine ethnic divisions of Ethiopia...

 of Ethiopia

Ethiopia

Ethiopia , officially known as the Federal Democratic Republic of Ethiopia, is a country located in the Horn of Africa. It is the second-most populous nation in Africa, with over 82 million inhabitants, and the tenth-largest by area, occupying 1,100,000 km2...

, exactly 200 kilometers by road south of the capital, Addis Ababa

Addis Ababa

Addis Ababa is the capital city of Ethiopia...

, on the border between the Misraq Shewa

Misraq Shewa Zone

Misraq Shewa is one of the 12 Zones of the Ethiopian Region of Oromia. This zone takes its name from the kingdom or former province of Shewa. Misraq Shewa is located in the middle of Oromia, connecting the western regions to the eastern ones...

 and Arsi Zone

Arsi Zone

Arsi is one of the 12 zones of the Oromia Region in Ethiopia. Arsi is also the name of a former province. Both the Zone and the former province are named after a subgroup of the Oromo, who inhabit both...

s. The first European to record its existence, Oscar Neumann, records that it was also known as "Lake Kore". It is located in the Great Rift Valley

Great Rift Valley

The Great Rift Valley is a name given in the late 19th century by British explorer John Walter Gregory to the continuous geographic trench, approximately in length, that runs from northern Syria in Southwest Asia to central Mozambique in South East Africa...

 at an elevation of 1,585 meters to the east of Lake Abijatta

Lake Abijatta

Lake Abijata lies in Ethiopia south of Addis Ababa, in the Abijatta-Shalla National Park. According to the Statistical Abstract of Ethiopia for 1967/68, the lake is 17 kilometers long and 15 km wide, with a surface area of 205 square kilometers...

.

According to figures published by the Central Statistical Agency

Central Statistical Agency (Ethiopia)

The Central Statistical Agency is an agency of the government of Ethiopia designated to provide all surveys and censuses for that country used to monitor economic and social growth, as well as to act as an official training center in that field. It is part of the Ethiopian Ministry of Finance and...

, Lake Langano is 18 kilometers long and 16 km wide, with a surface area of 230 square kilometers and a maximum depth of 46 meters.