Yggdrasil: The Norse World Tree, Its Symbols and What They Really Meant

Written by Simon Williams

At a Glance

Yggdrasil, the Norse World Tree, stood at the centre of Viking cosmology as the axis connecting nine distinct realms of existence. Combined with the Valknut and Horn Triskele, it formed a complete symbolic language through which the Norse understood life, death, fate and the divine.

Key Facts

• Primary sources: Völuspá and Grímnismál (Poetic Edda); Gylfaginning (Prose Edda, c.1220)
• Tree species: Described as an ash (askr) in the primary sources
• Name meaning: Odin's Horse (Yggr = Odin, drasill = horse)
• Valknut evidence: Stora Hammars I runestone, Gotland (late 7th century); Oseberg ship burial, Norway (c.834 AD)
• Triskele evidence: Snoldelev rune stone, Denmark (c.800-900 AD)
• Rune revelation: Described in the Hávamál (Poetic Edda); Odin hangs on Yggdrasil for nine nights
• Pendant material: Stainless steel with gold or silver tone finish
• Pendant dimensions: 34mm x 34mm on a 60cm stainless steel chain

Ask most people what Yggdrasil is and they will give you the same answer: the Norse Tree of Life. That answer is not wrong, but it is not especially revealing either. What is more interesting is what the tree was actually called. Yggdrasil translates, with reasonable precision, as Odin's Horse. The drasill root means horse; Yggr is one of Odin's many names. A tree named as a horse is a tree understood as a vehicle, something that carries you from one world to another. That reframing changes almost everything.

The sources for Yggdrasil are the Poetic Edda, a collection compiled in the 13th century from older oral and written traditions, and the Prose Edda, written by the Icelandic scholar Snorri Sturluson around 1220. Snorri's account is the more systematic of the two, laying out the nine worlds and their arrangement with what feels like architectural confidence. Scholars have noted, however, that Snorri was writing two centuries after Iceland's conversion to Christianity, and that some of his systematisation may reflect his own ordering instinct as much as the beliefs of Viking Age practitioners. The poems of the Poetic Edda are older, more fragmentary, and arguably closer to what people actually believed.

What both sources agree on is that the tree stands at the centre of everything. Three great roots extend into different realms, each watered at its own well. An eagle perches at the crown. A serpent, Nidhoggr, gnaws at the lowest root without ceasing. A squirrel, Ratatoskr, runs up and down the trunk carrying messages between them. The cosmos is not stable. It is a living thing in a permanent state of tension.

Yggdrasil and the Architecture of the Nine Worlds

In the Grímnismál, one of the key poems of the Poetic Edda, Odin describes Yggdrasil in vivid, compressed terms: the tree suffers, it endures, it is perpetually threatened and perpetually sustained. Three roots, three wells. The first root extends toward Asgard, the realm of the gods, and is watered by the Urðarbrunnr, the Well of Urðr, where the three Norns draw water and pour it over the tree to keep it living and white. The second root reaches toward the realm of the Frost Giants. The third descends into Niflheim, the realm of mist and the dead, where Nidhoggr gnaws at it from below.

The number nine carries weight throughout Norse thought. Nine worlds, nine nights when Odin hung on the tree to gain the runes, nine steps before Thor falls when he kills the Midgard Serpent at Ragnarök. It is not arithmetic; it is a structural principle. Things that matter come in threes and nines.

What I find most striking about the Yggdrasil cosmology is that the tree is presented not as triumphant or immovable, but as suffering. It is described in Grímnismál as rotting at the top and gnawed below. The image of a cosmos held together by something that is itself being destroyed is not comforting, but it carries a particular kind of honesty. It fits the broader Norse understanding that nothing, not even the divine framework of existence, is guaranteed to last. Ragnarök is not a remote threat in Norse mythology. It is an appointment.

The ash I know, Yggdrasil its name, with water white is the great tree wet; thence come the dews that fall in the dales, green by Urðr's well does it ever grow. (Völuspá, stanza 19)

The Valknut: Three Triangles, One Contested Meaning

The Valknut is the most recognisable secondary symbol on this pendant, and the one most frequently misidentified. Three interlocking triangles, it appears on some of the most significant funerary monuments of the Viking world, including the Stora Hammars I stone on the Swedish island of Gotland, which dates from the late seventh century, and among the grave goods from the Oseberg ship burial in Norway, dated to around 834 AD.

What the symbol means is genuinely contested. The name itself is modern: Valknut is a Norwegian compound word introduced long after the Viking Age, meaning roughly knot of those fallen in battle. No Viking Age source names it. Its consistent appearance in funerary contexts, frequently alongside depictions of Odin, has led many scholars to connect it with death, the afterlife, and the god who presides over both. Tom Hellers, in his 2012 academic monograph on the symbol, concluded that the Valknut likely held different meanings in different contexts, and that trying to fix a single explanation onto it misses the point entirely.

What we can say with reasonable confidence is this: the Valknut was not a casual decorative motif. It was chosen with intention, placed at sites of death and remembrance, associated with a god who was as much a lord of the dead as a lord of wisdom. If you want to understand why the Valknut appears alongside Yggdrasil on a single pendant, the answer likely lies in Odin himself, who connects both. For a close reading of the Valknut's funerary context, see our article on the Viking axe and the Valknut and what they really represented.

The Horn Triskele and the Mead of Poetry

The third symbol is the Horn Triskele: three interlocked drinking horns arranged in rotational symmetry. It is attested on the Snoldelev rune stone, which dates from the ninth century and was found in Denmark, making it one of the clearest pieces of archaeological evidence for the symbol's use in the Viking Age.

The story behind it is one of the finest in Norse mythology. Odin, determined to obtain the mead of poetry, a magical drink brewed from the blood of the wisest being in creation and the honey of the gods, disguised himself and bargained with the giantess Gunnlöðr for three sips. In exchange for three nights of company, she allowed him three mouthfuls from three vessels: Óðrœrir, Boðn and Són. He drank all three dry and escaped in the form of an eagle. The three horns represent those three vessels.

The mead of poetry granted whoever drank it the ability to recite any information, compose verse with perfect skill, and answer any question. For the Norse, this was not a trivial gift. Knowledge and eloquence were the foundations of law, history, and social standing. The skald, the court poet, held a position of genuine power. To wear the Horn Triskele was, in some sense, to align yourself with the intelligence and cunning of Odin rather than purely his warrior aspect. It is a symbol for those who understood that words could be as decisive as weapons.

What Runes Were and Why They Ring the World Tree

The runic border that surrounds the pendant's central motif is not decorative in the way that most modern people use that word. Runes were not simply an alphabet. In Norse thought, they were the fundamental symbols of reality itself, wrested from the void by Odin through an act of self-sacrifice that is described in the Hávamál, one of the oldest poems of the Poetic Edda.

For nine nights Odin hung on Yggdrasil, wounded by his own spear, fasting, looking down into the dark below him. At the end of the ninth night, the runes revealed themselves. The connection between the tree and the runes is therefore not incidental. Yggdrasil is the site of the revelation. The tree and the runic system are part of the same originary story.

The runic writing system used across the Viking Age, most commonly the Elder Futhark and later the Younger Futhark, appears on runestones, weapons, jewellery, and everyday objects throughout Scandinavia and the Norse diaspora. Individual runes carried individual meanings, and certain combinations were understood to hold specific power. A runic border on a pendant that already carries Yggdrasil at its centre creates something structurally coherent: the world tree surrounded by the symbols that the tree itself gave to the world. For a wider account of how Viking symbols functioned as systems of protective belief rather than isolated images, the article on the magic of Viking amulets covers the archaeological evidence in depth.

Why These Three Symbols Appear Together

The combination of Yggdrasil, the Valknut and the Horn Triskele is not arbitrary. Each symbol addresses a different aspect of Odin's domain, and together they map the complete territory of Norse belief as it centred on that god.

Yggdrasil represents the structure of the cosmos: the axis around which all worlds are arranged, the vehicle by which the divine traverses existence, the thing that holds everything together while simultaneously being consumed. The Valknut represents the threshold between the living and the dead: the mark of Odin as lord of the fallen, found at graves and memorial stones, the three-triangle form that appears whenever death is being addressed with intention rather than avoidance. The Horn Triskele represents the intelligence at the heart of it all: Odin's willingness to pay any price for knowledge, his understanding that wisdom and eloquence are the most durable forms of power.

Placed together on a single circular form, these three symbols create a complete picture. Life and death. Structure and threshold. Knowledge and sacrifice. The Viking Age approach to symbolism was cumulative in this way: layering meanings within a bounded space so that the wearer carried a compressed cosmological argument. The article on Viking jewellery in burial and ritual examines how this kind of intentional symbolic layering appears in the wider archaeological record.

The Yggdrasil Necklace

This Yggdrasil pendant brings the complete symbolic argument together in a single wearable form. At its centre is the World Tree, rendered in the clean circular format that characterises Viking-influenced design: the tree framed by a runic border, with Valknut and Horn Triskele elements integrated into the overall composition. The pendant measures 34mm x 34mm, sits on a 60cm stainless steel chain, and is available in gold or silver tone finishes.

The material is durable stainless steel with a tarnish-resistant finish, which means it holds its detail under daily wear without demanding significant maintenance. It is the kind of piece that works as a considered everyday choice, a gift for someone with a genuine interest in Norse history and symbolism, or as part of a growing collection of heritage-inspired jewellery.

Priced at £29.99 with free UK delivery and a 30-day returns policy, it represents a clear choice for a pendant with genuine symbolic depth behind every element of its design. View the Yggdrasil Necklace here.

This article is part of the Viking Jewellery and Norse Symbolism series. Explore all articles at historiesandcastles.com/blogs/vikings.

Deepen Your Understanding

→ The Viking Axe and the Valknut: What the Warrior's Weapon Actually Meant — A close examination of the Valknut's appearance alongside Viking weaponry and what its funerary context reveals about Odin's role as lord of the fallen.

→ Why Vikings Wore Mjolnir: The Hammer of Thor — The evidence for Mjolnir pendants in the archaeological record, and what wearing Thor's hammer meant as a statement of belief in the Viking Age.

→ The Magic of Viking Amulets: Protection, Power, and Mythology — How Viking amulets functioned as systems of symbolic protection, and what the material evidence from grave goods and hoards tells us about their use.

→ Viking Jewellery in Burial and Ritual: What the Grave Goods Tell Us — An account of how Viking jewellery appears in burial contexts and what the choices of specific symbols at the moment of death reveal about Norse belief.

→ Viking Art and Jewellery: Symbols of Power and Belief — A broader survey of how Viking artistic traditions expressed power, identity, and religious conviction through material objects.

People Also Ask

What is Yggdrasil in Norse mythology?

Yggdrasil is the immense ash tree that stands at the centre of Norse cosmology, connecting nine worlds through three roots and three wells. It appears in the Poetic Edda, particularly in the poems Völuspá and Grímnismál, and is described in greater systematic detail in Snorri Sturluson's Prose Edda, written around 1220. The tree is inhabited by a series of creatures: an unnamed eagle at its crown, the serpent Nidhoggr gnawing at the roots, and the squirrel Ratatoskr carrying messages between them. The tree is not presented as invulnerable. It suffers, decays, and is sustained only by the Norns, who water it daily from the Well of Urðr. Its survival and the survival of the cosmos are bound together.

What does Yggdrasil mean as a name?

Yggdrasil translates most directly as Odin's Horse. The element Yggr is one of the many bynames of Odin, and drasill is an Old Norse word for horse. A horse in this context is best understood as a vehicle, something that carries its rider from one place to another. Odin uses the tree as a vehicle in the most literal sense: he hangs upon it for nine nights in order to gain the runes. Reading the tree as a vehicle rather than simply as a symbol of life shifts the interpretation considerably. It becomes active rather than passive, a means of transit across the boundaries of existence rather than a static emblem of growth.

What is the Valknut and what does it mean?

The Valknut is a symbol of three interlocking triangles that appears consistently in Norse funerary contexts. It is found on the Stora Hammars I runestone on the Swedish island of Gotland, dating from the late seventh century, and among the Oseberg ship burial grave goods in Norway, dated to around 834 AD. Despite its modern familiarity, the word Valknut is not a Viking Age term: it is a modern Norwegian compound meaning roughly knot of those fallen in battle. No period source names the symbol. Scholars, including Tom Hellers in his 2012 monograph, have concluded that the Valknut likely held different meanings in different contexts, and that its consistent connection to Odin and the dead is the most reliable interpretive thread available.

What is the Horn Triskele in Norse mythology?

The Horn Triskele is a symbol of three interlocked drinking horns arranged in rotational symmetry, associated in Norse tradition with Odin's quest for the mead of poetry. The story, recorded in the Prose Edda, tells how Odin spent three nights with the giantess Gunnlöðr in exchange for three sips from three vessels, Óðrœrir, Boðn and Són, which together held the mead. He drank all three dry and escaped in eagle form. The mead granted poetic and scholarly genius to whoever drank it. The symbol appears on the Snoldelev rune stone in Denmark, dated to around the ninth century, making it one of the clearest pieces of archaeological evidence for the symbol's use in the Viking Age.

Did Vikings actually wear Yggdrasil pendants?

Tree of Life and Yggdrasil motifs appear in the material record of Viking Age jewellery alongside other pendant types such as Mjolnir amulets, Valknut pieces, and miniature weapons. Archaeological finds from Scandinavian sites confirm that pendant types carried symbolic rather than purely decorative intent, with specific symbols chosen for what they communicated about belief, protection, and identity. While no single pendant can be identified with certainty as representing Yggdrasil specifically, the tree motif is consistent with the broader pattern of Norse symbolic jewellery, in which cosmological imagery was worn as a statement of worldview. The modern Yggdrasil pendant draws on this tradition, presenting symbols that would have been immediately legible to a Viking Age audience.

What do runes have to do with the World Tree?

In Norse mythology, runes are not merely an alphabet: they are the fundamental symbols of existence, revealed to Odin through self-sacrifice. According to the Hávamál, one of the older poems of the Poetic Edda, Odin hung on Yggdrasil for nine nights, wounded by his own spear, until the runes revealed themselves from below. The tree is the site of the revelation. Yggdrasil and the runic tradition are part of the same originary story. A pendant that places Yggdrasil at its centre within a runic border is not combining two separate traditions: it is presenting two elements of the same mythological event, the moment at which the structure of the cosmos and the symbols used to describe it became available to the world.

Primary Sources and Further Reading

• Snorri Sturluson (c.1220) — Prose Edda (Gylfaginning), compiled in Iceland. The most systematic account of Norse cosmology, including the nine worlds and the structure of Yggdrasil. See Anthony Faulkes's Everyman translation (1987). Available via the Viking Society for Northern Research: https://www.vsnrweb-publications.org.uk/
• Anonymous (c.13th century, from older oral tradition) — Poetic Edda: Völuspá and Grímnismál. The primary poetic sources for Yggdrasil. See Carolyne Larrington's Oxford World's Classics translation (revised 2014).
• Hellers, T. (2012) — Academic monograph on the Valknut symbol, concluding that the symbol likely held context-dependent meanings in different ritual settings. Available via WorldCat.
• National Museum of Denmark — Collections from the Snoldelev rune stone and related Viking Age material: https://en.natmus.dk/
• Museum of Cultural History, Oslo — Holdings from the Oseberg ship burial, including grave goods with Valknut associations: https://www.khm.uio.no/english/

Note: The attribution of specific meanings to the Valknut and Horn Triskele reflects the current scholarly interpretive consensus rather than conclusions drawn from Viking Age textual sources. Both symbols are attested archaeologically, but the names and meanings commonly assigned to them in modern usage postdate the Viking Age. The characterisation of the Valknut's meaning in this article follows Hellers's (2012) interpretive framework rather than a settled scholastic conclusion.

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