Mt. Aso Ropeway to Aso station

Hello,

I'm planning a trip from Kumamoto to Oita with a stop at Mt. Aso

Can't find any information about any bus driving from Mt. Aso Ropeway back to Aso station?

If there is, can somebody tell me at what time the last bus will be driving back to Aso station?

I hope you know that the crater of Mount Aso is current off-limit due to volcanic activity and that the ropeway is not running.

There is a bus between Aso Station and the ropeway. Here is the timetable:
http://www.kyusanko.co.jp/sankobus/aso_sen/table/all_tt.pdf

Yes, i'm aware!
Thank you very much, was browsing for days...