An open attraction, integrated with the street. Adjacent to the moat, there is a door on both sides of the east and west. No tickets are required. It is one of Jinan's famous spring groups. It is very close to the core scenic spot Baotu Spring. It belongs to Jinan Ring Park and has convenient transportation. Black Tiger Spring is a natural cave, 2 meters high, 3 meters deep,1.7 meters wide, spring water mainly comes from the southeast direction of the cave. The cave is made of blue stone, and the cave is hidden under the rock wall. The spring pool is made of stones, slightly rectangular, about 17 meters wide and about 3 meters deep. The south wall of Quanchi is juxtaposed with 3 stone tiger heads. The spring water flows through the dark ditch and spews out through 3 stone tiger mouths. The largest amount of water inflow is 10,000 cubic meters per day, second only to Baotu Spring. There are 14 famous springs such as Xizhong and Jiu Nv nearby, forming the Black Tiger Spring Group.