Grottes et karsts de Chine
Sur les traces de Xu Xiake

3.4. Yingjiawan

The last cave in the valley is Yingjiawan. An active stream from the non-carbonates to the west flows into a prominent entrance in a shallow sink. The stream immediately spills over a 12 m pit and enters large borehole steeply trending down. Several obscure climbs and incoming passages are passed before the passage levels out in an oval wind tunnel. After several hundred meters the main stream passage is encountered. Unfortunately it sumps up and downstream in short order while the air is lost in a complex of infeeders. Near the entrance are two other entrances, one which drops a very nice 82 m pitch after a short canyon section. This group is 3.9 km long and 169 m vertical. Sitting above Yingjiawan, but not yet connected, is Shizikou Dong. This horizontal complex has four entrances and is 1.6 km long and 60 m of vertical extent.