瀨口的名稱源自其地形及鄰近河口的特性。「瀨」字原指水流經沙洲或礁石灘之處。這裡曾是台灣最早的鹽場所在地「溪流滋養了當地發展，依靠信仰和產業聚落，留下了許多記。」

The Road of Memory from Laibei Salt Flats

Laikouderives its name from its topography and its location near an estuary: the character “lai” in “Laikou” originally referred to water rushing over sandy or rocky shallows. This was where Taiwan’s earliest saltern was established."The stream nurtured local development, with settlements relying on faith and industry, leaving behind many traces of memories. By retrieving these memories, specific sites in Shuangxi that resonate with the local people were chosen as bases."