Tiger Pi reservoir has called Taiwan's first reservoir, built in 1846 AD, water area of about 27 hectares, Beishanmianshui, the highest point along the coast about 70m, the deepest water surface Pi about 40m, the initial use for irrigation Reservoir supply to more than 500 hectares of farmland irrigation water use it, after being earthquake in AD 1906, after six months to repair and monumentalise, the same year that is listed as one of Taiwan's 12 scenic spots.