The glacial river from the mountain Traditional Geocache
The glacial river from the mountain
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Difficulty:
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Terrain:
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Size: 
(small)
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It is said that the earth's circle which the human race inhabits is
torn across into many bights, so that great seas run into the land
from the out-ocean.
The cache is located where the ring road of Iceland (or national
road number 1), crosses the river Jökulsá á Fjöllum, which is the
second longest river of Iceland (206 km). It is one of the most
majestic rivers in the country and it flows through the largest
desert in Europe - Ódáðahraun (Odadahraun). It has its source from
the largest glacier in Europe - Vatnajökull. This is the vastest
lava area of the country. The individual lava fields date back to
different ages, but all of them were created during the Holocene.
The total area of the Odadahraun is about 6000 km² and it is a part
of the Icelandic Graben and is very volcanically active. The area
should only be accessed by 4WD vehicles or on foot. Hikers should
be aware of the lack of surface water in the lava fields and bring
along sufficient supplies of water. Hikers should also plan their
daily progress conservatively and use maps rather than relying on
their eyes, because the clear air draws all landmarks closer than
they really are. The bridge was built in 1947. The small house
keeps equipment which is used by Icelandic Hydrological Service for
automatic measuring the discharge of the river.
Additional Hints
(Decrypt)
Haqre naq arne gur onpx evtug onfrzrag bs gur fznyy ubhfr.