Experience a new kind of sightseeing around the town of Kohoku and then the lake itself in an amphibious bus. A cheerful guide will lead the tour and point out places of interest. There's no minimum requirement on number of participants, so please inquire over the telephone or from the official site.
Inside the Kurokabe Information Center, 10-27 Motohamacho, Nagahama City, Shiga
[Public transportation] JR Biwako Line Nagahama Station 5 min. on foot