maybe need 2-3 days. train from kyoto is about 3hrs. spend the day in mihama/wakasa at beach. lots of ryokans to choose from. shrines and stuff. sake brewery. general info about hiking the area https://mihama-shinjo.com/?page_id=30 hike is overnight via hakodate ski park to shore of biwako. day 1 is about 16kms and day 2 is about 18km. (day 2 is pretty much all down hill. camp at 974m on day 1