古井河，又名草帽河，发源于中江县龙台镇铁钳湾，由南向北流，经壁山乡舒家坝入三台县境，折向东北流，经跃进、上新、新建、古井等乡（镇），于杨家堰汇入凯江。绿豆河，又名芦渡河，发源于中江县左会乡，于盘龙寨入三台县境，由西南向东北流，经幸福乡双龙桥、徐家桥、钟家 Furui River, also known as straw hat River, originated in Longjiang Town, Zhongjiang Tie Tie Bay, from south to north flow through the wall Hill Shujiaba into the three counties, fold to the northeast, after the leap forward, the new, new , Furui and other towns (towns), Yang Jia Wei remitted to Kaijiang. Mung bean River, also known as Lu Du River, originated in Zhongjiang County Zuo Huixiang, Panlongzhai into the three counties, from southwest to northeast flow, happiness Township Ssangyong Bridge, Xu Bridge, Bell home