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Blue Nile Falls, Ethiopia
The Blue Nile Falls is a waterfall on the Blue Nile river in Ethiopia. It is known as Tis Abay in Amharic, meaning "great smoke". It is situated on the upper course of the river, about 30 kilometres (19 mi) downstream from the town of Bahir Dar and Lake Tana. The falls are one of Ethiopia's best-known tourist attractions.
The falls are 42 metres (138 ft) high, consisting of four streams that originally varied from a trickle in the dry season to over 400 meters wide in the rainy season. Regulation of Lake Tana now reduces the variation somewhat, and since 2003 a hydro-electric station has taken much of the flow out of the falls except during the rainy season. The Blue Nile Falls isolate the ecology of Lake Tana from the ecology of the rest of the Nile, and this isolation has played a role in the evolution of the endemic fauna of the lake.
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