Red Leaf Valley is located in the southern mountainous area of Jinan City, Shandong Province. It is attached to natural mountains and rivers. Many famous springs are gathered here. Every autumn, the temperature difference between day and night is large in the Red Leaf Valley in the southern mountain area after frost fall. The vast expanses of American yellow oak in the mountains have gradually changed from green to yellow and become red, which is very spectacular. About the time of rewarding maple is: the second half of October every year for 10 to 15 days, the specific time depends on the weather.