Kansai Thru Pass to Ohara?

Can I use Kansai Thru Pass to travel to Ohara?

There are many places named Ohara; please be more precise.

Yes, covered if meant in "Kyoto city".
http://kyoto-ohara-kankouhosyoukai.net/

Take a "京都バス：Kyoto bus".
https://goo.gl/u2BmkH
http://www.arukumachikyoto.jp/index.php?lang=en
http://livedoor.blogimg.jp/kuniyasu333/imgs/9/5/950df2e8.jpg

"Kyoto bus" is one of bus operating company name in Kyoto city.
http://www.kyotobus.jp/
But biggest one in Kyoto city is "Kyoto City Bus" different colored bus using.
https://www2.city.kyoto.lg.jp/kotsu/webguide/en/bus/howtoride_bus.html
You can find as "KYOTO MUNICIPAL SUBWAY/BUS" into the list of Pass web.
http://www.surutto.com/tickets/kansai_thru_english01.html
KYOTO MUNICIPAL BUS = Kyoto City Bus(local Japanese calling "Shi-Bus: 市バス" usual).
(This "Shi" means just short of "City".)