In Åland, the feast is celebrated by igniting bonfires to welcome spring. Walpurgis Night is always on 30th of April.
In Saltvik, Walpurgis Night is celebrates in these places:
According to an old legend this event was not only to celebrate spring, the fires also barred the way for witches. This custom came to Åland from Germany, where they thought witches had a big feast on Walpurgis Night. To scare the witches away, people lighted bonfires.
Traditionally, May first was the day farmers let the cattle out after the winter. The animals needed protection, so by lighting fires and making noise, the farmers could make wild animals stay away.