Although the old railway to the north of Takarazuka along the Muko-gawa River was discontinued (a part of the line is now used as a walking trail), the Fukuchiyama Line and Muko-gawa River still have close mutual ties.
宝塚以北の武庫川渓流沿いの旧線は廃線となったが（一部は遊歩道となっている）、それでもこの線は川との関係が深い。