67.5 mu. According to Baidu map, Tongxiang Chongfu Yuxi Park is located in Chongfu Town, Tongxiang City, with a total land area of about 45,000 square meters and a river area of about 4 130 square meters. 1 mu equals 666.67 square meters, and 45,000 square meters equals 67.5 mu, so Tongxiang Chongfu Yuxi Park covers an area of 67.5 mu.