Glisborn the Pilgerbach stream near Edermünde-Holzhausen at an elevation of . This gives an average gradient of 1.7%. The first written versions of legends about the Glisborn were recorded by the Brothers Grimm. It is, however, most probable that this legend is based on an older Chatti legend which states that the god Odin came riding from the Odenberg on his white, eight-legged horse Sleipnir. At every hoof-fall of the horse, a spring arose, such as the Glisborn. For this reason the Chatti held the Glisborn sacred. After the Chatti were Christianised in the 8th Century by Saint Boniface, the legend
Sleipnir mentioned in a riddle found in the 13th century legendary saga "Hervarar saga ok Heiðreks", in the 13th-century legendary saga "Völsunga saga" as the ancestor of the horse Grani, and book I of "Gesta Danorum", written in the 12th century by Saxo Grammaticus, contains an episode considered by many scholars to involve Sleipnir. Sleipnir is generally accepted as depicted on two 8th century Gotlandic image stones: the Tjängvide image stone and the Ardre VIII image stone. Scholarly theories have been proposed regarding Sleipnir's potential connection to shamanic practices among the Norse pagans. In modern times, Sleipnir appears in Icelandic folklore