Back again here, I went in autumn and it was freezing, windy with no visibility. The same course from the ski resort of Norikura (乗鞍-スキー場前) avoiding the crowd because the bus up to Tatami-daira (畳平) was not running. Stunning view from Kengamine (剣ケ峰), the highest point!!!

https://www.youtube.com/watch?v=x-mV7d79tQ4&t=8s