Around the Keage (蹴上) station of subway line, there are many historic spots related to the Biwako-sosui (琵琶湖疎水, Lake Biwa canal), such as the Keage incline (蹴上インクライン), a tunnel called Nejiri-Manpo (ねじりまんぽ) and other brick-made Western style buildings.
Nejiri-Manpo is a tunnel under the Keage Incline, whose bricks are arranged in a twisting manner. Nejiri means a spiral in Japanese, and Manpo is considered as a dialect word for tunnel (トンネル). The bricks were piled this way for the purpose of fortification.
Nejiri-Manpo tunnel greets its visitors with fresh and cold air. It is an invitation to the cluster of mysterious historic heritage.