Easiest way to access Tango region is taking express bus from Kyoto or Osaka for the moment.
To access to Ine, local buses are start running
If you are visiting on weekends&public holidays, there is a boat from Miyazu or Amanohashidate pier to Ine. For the timetable for the boat please check my blog. https://seasidekyoto.blogspot.com/2017/03/inemiyazuamanohashidate-boat-info-for.html
If you are interested to visit Nariai-ji Temple, from 22nd July the road to the temple is going to open again and you can access by car or on foot. Also the mountain bus to Nariai-ji Temple from Kasamatsu Park is started running from today(1st Aug.).