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Dagou Creek Waterfront Park

2024-04-12
The Daguoxi Creek at the end of Dahushanzhuang Street in Neihu District is a naturally formed stream. With an elevation of 485 meters, it flows downward from Bishi Luhua Mountain in the upper section where the surrounding area is predominantly secondary forests. The lower section flows past Yuanjue Waterfall towards residential drainage systems, eventually passing through box culverts along Dahushanzhuang Street to drain into Dahu Park. The total watershed spans approximately 3,500 meters with a catchment area of 340 hectares.

To balance safety and conservation, the Daguoxi Creek restoration project employs near-natural construction techniques with porous structures, providing habitats for various species. Investigations by the Engineering and Soil Conservation Bureau have identified a rich biodiversity, including the Taiwan Magpie, Tree-frog, Chinese Tree Toad, Taiwan Black-rimmed Blue Butterfly, Common Oakleaf Butterfly, Green-barred Brushfoot Butterfly, Radde's Frog, Little Egret, Five-colored Munia, and Yellow-spotted Cicada.

In the lower reaches, the area was originally agricultural land but was urbanized into the Dahushanzhuang residential community through land readjustment. To accommodate road construction, the creek was partially replaced by underground box culverts. In early years, the drainage system frequently overflowed during heavy rains, causing erosion and even severe floods during Typhoon Wen-Ni in August 1997.

Located upstream of the Dahushanzhuang community, the Daguoxi Creek restoration incorporates rock-armored banks with porous structures to reduce erosion while providing habitats for wildlife. Additionally, water-adjacent paths installed along the streambed serve as recreational spots for locals, combining practical engineering with leisure access.

To create a natural ecological environment, the Daguoxi Creek restoration utilizes fish passes (staircase weirs) and bed leveling to reduce gradient and flow velocity, mitigating erosion. Shallow water zones are also constructed to retain creek water, fostering habitats for aquatic organisms such as fish, shrimp, and aquatic plants. Furthermore, along wide sections of the watershed, water-friendly platforms and pathways are installed to allow residents and visitors opportunities for water-related activities and interactive play.

(Source: Engineering and Soil Conservation Bureau, Taipei City Government)
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