The cosmic ash tree that supports and connects the nine worlds.
Yggdrasill is an immense ash tree whose three roots stretch to Ásgarðr, Miðgarðr and Niflheimr. In its branches dwells the eagle Veðrfölnir, at its roots gnaws the dragon Níðhöggr, and the squirrel Ratatoskr runs up and down between them carrying messages.
The tree is the axis and spine of Norse cosmology. It is the site of the gods' daily council at Urðarbrunnr and the source of Óðinn's wisdom after his nine nights hanging from the tree pierced by his spear.
Attestations
- Grímnismál, str. 29-35
- Detailed description of Yggdrasill's inhabitants and structure.