The main stream of First Canal runs from Keage-funadamari to Nanzenji-funadamari via Keage Incline, travels via Ebisugawa Dam and Ebisugawa Power Station, and runs south along the east side of the Kamo-gawa River to Sumizome Dam.
琵琶湖疏水（第1疏水）の本流は蹴上船溜から蹴上インクラインにより南禅寺船溜まで下り、夷川ダム、夷川発電所を経て鴨川東岸を南下し墨染ダムに至る。