The protected area consists of mangrove swamps, salt marshes, rivers, canals and drainage ditches. It is located in Tainan City's Annan District, and consists of the area bounded by the southeastern side of the Luermen River, the southwestern side of Xi-Bin Road, and the northern side of the Yan-Shui River.
In November 2004, the Sihcao Wildlife Refuge(四草野生動物保護區) was created to further protect the area, especially from possible encroachment from the nearby Tainan Technology Industrial Park.
- "Bird Sightseeing in Sih-Cao Wildlife Reserve" Southwest Coast National Scenic Area, accessed 5 January 2009
- "Sihcao Wetland introduction" quoted from TT News, accessed 5 January 2009
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