Late Oct too late for Shirakami Sanchi

Hi,
I am planning on arriving in Japan on 21st of October, staying for a few weeks. I was thinking of visiting Shirakami Sanchi, Bandai or possibly Kamikochi for autumn foliage but not sure if that might be too late in the season for that. What do you think?

Under normal condition late October is the start of the autumn foliage season in Bandai Kogen, should still be good in Shirakami Sanchi but it would be late for Kamikochi.

http://weathernews.jp/s/koyo/spot/23601/index.html (Bandai Kogen)

http://weathernews.jp/s/koyo/spot/23108/index.html (Shirakami Sanchi)

http://weathernews.jp/s/koyo/spot/24805/index.html (Kamikochi)