To the ancient Celts, the hazel tree and hazelnuts were symbolic of divine wisdom. Hazel trees often grow near water, which was also associated with knowledge, wisdom, healing, purification, and transformation.

 

In Ireland, the Well of Wisdom was described as existing in the otherworld. It was surrounded by nine purple hazel trees. The trees dropped their nuts into the water, and the Salmon of Wisdom ate the nuts. Five streams flowed from the well, and these symbolized the five senses through which wisdom could be obtained. Chant this invocation to connect with the power of the sacred hazel trees and Well of Wisdom: