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Blue Nile Falls – Tis Abay

Blue Nile Falls, February 2006
Blue Nile Falls in February 2006. / CT Snow, Wikimedia Commons / BY-SA 2.0

WorldBlue  In short

Ethiopia lost a lot in the day when a hydro-electric station took away major part of the water of the Blue Nile… and beauty of Tis Abay. Sure, power is needed but it is always sad to see that beauty is lost.

4.6 out of 10 stars 46.3%

GPS coordinates
11.4908 N 37.5877 E
Location, address
Africa, Ethiopia, Amhara, on Blue Nile some 36 – 38 km below its source – Lake Tana
Writing in Geʽez
ጥስ እሳት
Meaning of name in Amharic
“Smoking water”
Alternate names
Tis Abay, Tissisat, Tis Isat (“Smoke of fire”)
Total height
37 – 45 m
Drops
1
Width
Up to 400 m
Stream
Blue Nile

Map of the site

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WorldYellow In detail

Description of Blue Nile Falls

Tis Abay has formed on the edge of an ancient flow of basaltic lava. The Blue Nile here has flown for some 30 km after leaving Lake Tana. Already before the falls river has crossed numerous smaller waterfalls and rapids.

Blue Nile Falls in January 2013
Blue Nile Falls in January 2013. / The Minister of Information, Flickr / BY-NC 2.0

The Blue Nile in this area often divides into smaller streams. At the waterfalls it also divides into four smaller streams, in the dry period of the year (January – March) forming four smaller falls but in the rainy period of the year (September – October) forming a roaring giant which was 400 m wide.

At high water above the falls rose a cloud of mist – thus it was named “smoking water”. The continuous mist created a small oasis of the forest around the falls with numerous birds and monkeys.

The influence of the waterfall below the water level is much bigger – the approximately 37 – 45 m tall waterfall is an insurmountable barrier for fish. Thus Lake Tana has its own, unique species – 17 out of 28 species of fish in the lake are endemic.

History

Tis Abay is located in an ancient land and people have known this waterfall much longer than most of the other waterfalls in the world.

Royal families of Netherlands and Ethiopia at the Tis Abay Falls, 1969
Royal families of Netherlands and Ethiopia at the Tis Abay Falls, 1969 / author unknown, Wikimedia Commons / public domain

The first known description of the falls belongs to a Portuguese doctor and adventurer João Bermudes in 1565. Not too far below the falls Portuguese built also the oldest stone bridge in Ethiopia – Agam Dildi, built in 1626.

Many visitors came to these falls and in many descriptions, Tis Abay was presented as one of the greatest spectacles in the natural world.

Since 2001 the situation has changed for the worse. Next to the falls is built a hydro-electric station (Tis Abay II) which during most of the year takes some 90% of the water away. Only during the rainy period of the year, the waterfall regains a part of its former beauty – but even then it has a lot less power than before.

Due to this nowadays the impressions of visitors to the falls are mixed. Some like the scenery but some are just disappointed – instead of the wide, roaring fall, there is falling a narrow stream or two streams.

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