Walpurgisnacht arrives at the last hour of April, and the custom is simple and ancient: light a fire and let it burn into the night. Across Scandinavia the fires of Valborg still go up every April 30, in village squares, on hilltops, and beside universities, continuing a tradition of marking the crossing from spring into summer that stretches back further than any name attached to it.
What Walpurgisnacht celebrates
The heart of Walpurgisnacht is the threshold. April 30 is the eve of May, the night when the year tips from the deep spring into summer proper. Lighting fires at this crossing served a double purpose in older folk belief: it drove away whatever was still lingering from the dark half of the year and it welcomed the bright, growing season with warmth and light.
The rune Kenaz belongs to this night, the torch flame held steady in the hand, controlled fire as a tool of clarity and protection. Algiz belongs here too, the rune of warding and defence, of arms raised against whatever comes in from the edges. The threshold quality of the night is captured in Eihwaz, the yew standing between worlds, marking the crossing point without belonging fully to either side.
The name Walpurgisnacht comes from Saint Walburga, an English missionary in Germany whose feast day the church placed on May 1. The night before took her name over time. The bonfire tradition she was layered over is old continental and Scandinavian folk custom. The dramatic image of the night as a gathering of witches and spirits is a later overlay, mainly medieval and Romantic in origin. The living custom - fires, noise, the warmth of community against the last cold nights - is older and more straightforward.
When Walpurgisnacht falls
Walpurgisnacht is fixed to April 30, the eve of May Day. Unlike the solar festivals that shift by a day or two from year to year, this is a calendar date, and it arrives on the same night every time. The fires begin at dusk and burn through the evening; May morning is the other side of the threshold.
For a Norse pagan practitioner, this period between Ostara and Midsummer is a time of gathering momentum. The land is fully awake, work is under way in fields and gardens, and the energy of the season calls for presence and participation rather than quiet contemplation.
How Walpurgisnacht is observed
The Valborg tradition in Sweden, Denmark, and Finland involves public bonfires, student choirs singing in the spring, and a festive atmosphere that is both joyful and communal. You do not need to be a student in Uppsala to keep the spirit of it. A fire in the garden, on the beach, or in a fire bowl on a balcony holds the same quality: light against the April dark, warmth shared with others, the sense of crossing into summer together.
Pour a small offering into or beside the fire as the flames are well established. A cup of mead, a handful of grain, or a sprig of whatever is blooming in the garden all work. Speak an intention for the summer, or simply acknowledge the threshold you are crossing. Then let the fire burn, stay warm, and step into May.