In contrast to the Keishin Line, the Keihan Ishiyama-sakamoto Main Line is a nostalgic one on which a vehicle consisting of two cars runs along the lakeside of Lake Biwa, as well as residential areas and downtown in the western part of Otsu City, Shiga Prefecture facing a river area of the Seta-gawa River.
京阪石山坂本線は、京津線とは対照的に、2両編成の車両が琵琶湖湖岸、及び瀬田川河川敷に面した滋賀県大津市西部地域の住宅街や下町を走りぬけるノスタルジックな路線である。