Sankeng Old Street. Sankengzi, known as the first street of Longtan, is an authentic Hakka village. Sankengzi, known as the first street of Longtan, is an authentic Hakka village. In the past, Sankengzi was one of the most prosperous docks on the river, bustling with activity. However, with the completion of the irrigation canal, the water level of the Dahan River dropped sharply, and the commercial function of Sankengzi gradually declined.
Address: 桃園市龍潭區三坑老街
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