Nonaka no Shimizu is the spring water that chosen as one of 100 best water. It is natural spring water that you can drink.
Nonaka Spring Water (野中の清水) is one of 100 best Japanese water located in Kumano kodo, Nakahechi. It is located near Tugizakura Oji. For many years, this spring water supported the travelers of Kumano Shrines.
Tourist Info.
There are parking and restroom.
Access
2. Kii Tanabe Station.
3. Use local bus to Nonaka no Shimizu (head to Kumano Hongu Taisya)
20 min
New Wave Samurai Movie. 
映画好き集まれ！ 
Nonaka no Shimizu is the spring water that chosen as one of 100 best water. It is natural spring water that you can drink.