Okama crater by ropeway

Is it possible to go to Okama crater by ropeway on May 10?

No.
http://zaoropeway.co.jp/
★整備運休のお知らせ
安全輸送に万全を期すため、機器の点検・整備等を実施しますので、下記の期間全線運休いたします。
平成29年5月8日(月)〜6月2日(金)　内25日間
(All lines no operate btw 8 May - 2 June total 25 days by long maintenance for summer season)

Regular local bus operated only on SAT,SUN and National Holidays.
http://www.yamakobus.co.jp/rosenbus/jikoku/frame/zao-onsen.html

And no recommend in that day, bc a lot of snow covered, still winter(cold)
and no beautiful Green lake. (want to see worthless iced lake?)
http://achikochi.takema.net/kokunai5/2012_GW/2012gw_284.jpg
http://1.bp.blogspot.com/-J9Ad88J8wPw/TcJISpJKp8I/AAAAAAAAEWA/rQx-UKDX...