is end of December a good time to go Chubu for winter? mainly Gero onsen, Takayama, Shirakawago, Nagano (can skip in dec?), matsumoto...

any advise?

thanks bro.. hmm... have to wait until the next airfare promo which travel period cover Jan. i missed the last round and this round only promo for flight until this year end.

i been for autumn and cherry blossom, panning a 3rd visit during winter and try ski at jp.