Kosaka Pass is an actual road that exists in Kunimi City, Fukushima Prefecture.
https://www.google.com/maps/@37.8985372,140.514437,3a,75y,10.07h,89.56t/data=!3m9!1e1!3m7!1spq7zIFoBVHfA_Iu6naJ84g!2e0!7i13312!8i6656!9m2!1b1!2i47
・CSP
・8pits(not enough space...)
・Grass FX、Rain FX...