Seiðr Loom

creature

Gulltoppr

Heimdall's horse, one of the steeds the gods ride daily to their court at Yggdrasil. Heimdall rode it to Baldr's funeral.

Heimdallr and Gulltoppr by Dorothy Hardy, 1908
Heimdallr and Gulltoppr by Dorothy Hardy, 1908, Dorothy Hardy (1908). Wikimedia Commons, public domain.

Gulltoppr is Heimdall's horse. Snorri names it twice, once in its Old Norse form, as the tenth of the horses the Æsir ride each day over Bifröst to their court at Urðr's well Gylfaginning 15, and once in translation as "Gold-top", next to the detail that Heimdall's teeth are gold Gylfaginning 27. The poets call Heimdall "Possessor of Gulltoppr" Skáldskaparmál 8.

Its one appearance in a story is at Baldr's funeral, where "Heimdallr rode the horse called Gold-Top" Gylfaginning 49. Snorri's source for that scene is a verse from Úlfr Uggason's Húsdrápa, which says Heimdall "Spurs to the pyre" on his steed Skáldskaparmál 2. Nothing more is known of the horse. Its name matches the golden imagery that surrounds Heimdall, but the sources do not comment on it.

In the sources

Quoted from the hosted translations; each line is checked against the text when the site is built. Select a reference to read it in context.

his teeth were of gold, and his horse is called Gold-top.
Gylfaginning 27 Snorri names Heimdall's horse.
the ninth Falhófnir, the tenth Gulltoppr, the eleventh Léttfeti.
Gylfaginning 15 Gulltoppr in the list of the gods' horses.
His steed the lordly Heimdallr Spurs to the pyre gods builded For the fallen son of Odin
Skáldskaparmál 2 Úlfr Uggason's verse on Heimdall riding to Baldr's pyre.

Related

Heimdall Heimdallr The watchman of the gods, born of nine mothers, who guards Bifröst from his hall Himinbjörg and will blow the Gjallarhorn when Ragnarök begins. Sleipnir Odin's grey, eight-legged horse, best of all steeds, foaled by Loki after he lured away the giant builder's stallion Svaðilfari. Baldr Odin and Frigg's son, the brightest and best-loved of the gods. His death by a mistletoe dart, thrown by his blind brother Höðr, is the first great loss on the road to Ragnarök. Urðarbrunnr The holy well beneath Yggdrasil where the Norns live and the gods hold their daily court; its white water keeps the world-tree green.