Lake Tana, the largest lake, in Ethiopia is the source and from where the famed Blue Nile starts its long journey to Khartoum, and on to the Mediterranean. The 37 islands that are scattered about the surface of the lake shelter fascinating churches and monasteries, some of which have histories dating back to the 13th century. However, it should be noted that most of the religious houses are not open to women. The most interesting islands are: Birgida Mariam, Dega Estephanos , Dek, Narga, Tana Cherkos, Mitsele Fasiledes, Kebran and Deber Maryam.
Tana is the largest Lake of Ethiopia with an area of 3600km2Length 70 km, with 60km, depth 9m, and altitude 1840m. Rivaling the attractions of the Blue Nile Falls are, the Lake Tana Thirty-seven islands. Some twenty of these islands shelter churches and monasteries of significant Historical and Cultural Interest. They are decorated with beautiful paintings and are the repository of innumerable treasures.
Visitors will no doubt see tank was on the Lake Tana Shore and May at times catch glimpse of their construction. The tank was (Paphyrus Canoe) are Made by a Lakeside People called the Woyto, Who ply these craft across the waters of the tana Lake. Open at the Back end, the boats Passengers and goods to and from the many Islands in the Lake as they have done for centuries. These reed boats were, and still are, Constracted at BaharDar in the nearby Fogera Area.