Eco-tourism destination Origins in Group 1, Hau Phu 1 Hamlet, Hau My Bac A Commune, Cai Be District, Tien Giang Province. With an area of ​​more than 13 hectares, Coi Nguon tourist area still retains almost intact wild beauty... Not only does it have green landscapes, but Coi Nguon eco-tourism site also preserves historical relics with the Thien Temple. Ho Duong.