After consulting the map, I learned that I took bus No.4 from Shuinianhe Station to Jinniu Interchange South Station, changed to bus No.29 to Majiabang Station, and then walked 890 meters to Xuantutou Farm.
Shuinian River is a place name in old Chengdu. Located at the intersection of the second section of Dongfeng Road, Shudu Avenue and the third and fourth sections of the First Ring Road in Chengdu. Part of it belongs to Jinjiang District, and part of it belongs to chenghua district.