[1][2] There are a diverse array of stories surrounding her, with many describing her creating the various geological features of Jeju Island.
Her stories are said to have elements of both mythology and tall tales; legends attribute both divine and human properties to her, including mortality.
[1] Pyohaerok possibly contains the oldest known mention of her; in the text, people pray to a goddess called Seonma Seonpa (선마선파; 詵麻仙婆), who likely corresponds to her.
[2] Some legends have it that she was a filial daughter of the Jade Emperor, although she descended from the heavens to create Jeju against the will of her parents.
It is said that she created Jeju Island by gathering up dirt in her chima (Korean skirt) and pouring it into the sea.
light hanging rock) near Seongsan Ilchulbong is said to have been where Seolmundae Halmang hung a lamp while sewing.