10 things you should know about this tourist destination (in Winter):
1) temperatures can drop to -41 degree celsius in the mountains/valleys
2) japanese food there is very authentic and extremely mouthwatering especially the ramen
3) they are famous for seafood - scallops and crabs
4) you should get ready to put on at least 2 kg if you want to go there
5) amazing scenery especially when snowing (prepare a camera with memory stick of at least 1G)
6) people there are very well-mannered (they keep on bowing)
7) communication can be a problem cos seldom will you find a jap that speaks eng
8) main things to do there: take pictures of scenery, eat n sleep
9) highlight of tour is usually hot spring baths which most singaporeans do not dare to try
10) everything is expensive
BUT it is indeed a wonderful place to be in winter! =)