Abashiri Prison Museum

http://www.kangoku.jp/world/

This is official website of Kankogu
監獄（かんごく）means jail and prison in Japanese.

Airports in Hokkaido

北海道・新千歳空港
http://new-chitose-airport.jp/en/
chitose airport official site

北海道・女満別空港
http://www.mmb-airport.co.jp/index.html
memanbetsu airport website

北海道 Official website

http://www.pref.hokkaido.lg.jp/index.htm

Aurora watching tour

http://www.ms-aurora.com/abashiri/index.html


You can get information about schedules, prices, courses about aurora tours.
This is Japaense website.