Originally Posted by capt vimes
the only "hall" i know from the norse mythology is Valhalla or Valhöll in old norse... but it rather means "hall of the slain" than "banquet hall"...
i have now idea what seaduction is looking for, but i found very interesting information about a town called "Saltstraumen" around the mentioned latitude of 67° N...
22 kts of tidal current... holy crab!
Saltstraumen - Wikipedia, the free encyclopedia
The quiz location is just a little south of Saltstraumen.