The Sognefjord Spans are the second, third, and fourth longest spans in the world situated east of Hermansverk, Norway and are part of different powerlines. As Sognefjord Span is a deep valley the pylons of these spans are not taller than ordinary pylons. In order to avoid any too close approaches or contacts between the conductors, each is mounted on a separate pylon at the end of the span, which is built as a steel framework tower.
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Span 1
This span is part of the powerline between Hermansverk 61°10′49″N 6°51′53″E and Vikøyri 61°04′50″N 6°35′13″E and was built in the 1950s. It has a length of 4850 metres and was until the inauguration of Ameralik Span the longest span in the world. The span, which crosses Sognefjord in North-South direction, has 4 conductors, whereby one is for reserve. Its northern ends are at
61°10′30″N 6°54′14″E
61°10′29″N 6°54′16″E
61°10′29″N 6°54′19″E
61°10′27″N 6°54′21″E
and its southern ends are at
61°08′21″N 6°51′13″E
61°08′20″N 6°51′17″E
61°08′19″N 6°51′18″E
61°08′16″N 6°51′18″E.
Span 2
Just a few hundred metres east of Span 1, the powerline from Stakaldefossen 61°26′48″N 6°00′49″E to Refsdal: 61°01′15″N 6°34′08″E crosses Sognefjord with a 4520 metres long spanin East-West direction. As Span 1 it has 4 conductors, whereby 1 is as reserve. The locations of the towers used for this span are at its werstern end:
61°08′08″N 6°51′37″E
61°08′07″N 6°51′38″E
61°08′05″N 6°51′39″E
61°08′04″N 6°51′40″E
and at its eastern end:
61°08′28″N 6°56′39″E
61°08′27″N 6°56′39″E
61°08′25″N 6°56′36″E
61°08′24″N 6°56′36″E .
Span 3
Approximately 9 kilometres east-south east of these spans, there crosses the line from Aurland1 60°51′46″N 7°18′04″E to Langedøla 61°26′14″N 7°14′44″E Sognefjord in a span with a length of 4500 metres in North-South direction. It has no reserve conductor and consists therefore of 3 ropes. Its towers are situated at its southern end at
61°6′19″N 7°03′53″E
61°6′20″N 7°03′55″E
61°6′21″N 7°03′58″E
and at its north end at
61°8′45″N 7°02′56″E
61°8′45″N 7°02′59″E
61°8′46″N 7°03′02″E
.