Difficult old spring is one of the three best in Jinci. Difficult old spring water comes from the rock formation of the mountain, I don't know when it began, the "Shanhaijing" has: "Suspended water, Jin water out of the sputum" record. The spring water is crystal clear, and the flow is endless. When Beiqi, he took the brocade sentence of "Yongxi is difficult to get old" in the "Poetry Book Lu Song" and was named "Difficult Old Spring".