The town however continued to prosper due to its strategic location between both Kyoto (京都) and Edo (江戸); present day Tokyo (東京). Many merchants from the town would travel to larger cities selling their finest products such as mosquito nets, tatami surface matting, and hemp cloth products. This lead to the reputation of the Omihachiman merchants being shrewd businessmen among locals.
The townscape of Omihachiman is also influenced by an American named William Merrell Vories who came as an English teacher and a Christian missionary during the 20th century. Vories himself was trained in architecture and also well-connected with many local Japanese through his involvement in YMCA.
Using his skills as an architect, he designed various buildings across the town including the Old Hachiman Post Office building. Due to his massive contribution to the townscape, he was highly regarded among the locals and eventually, he converted his citizenship into Japanese.
At one point of time, the canal was abandoned and dilapidated; leading to the local city council to fill in the moat. However, there were stopped by the locals who decided to spearhead a campaign to restore the canal and also the heritage buildings back to their glory days. Today, the town becomes one of the most beautiful historical town to visit in Shiga Prefecture.