ðə lˈeɪk ɪz ˈoʊnli ɹˈɛfɹənst ɪnðə pɹˈoʊz ˈɛdə, bˈʊk dʒˈɪlfɐdʒˌɪnɪŋ, ɹˈɪʔn̩ ɪnðə θˈɜːtiːnθ sˈɛntʃɚɹi baɪ snˈɔɹi stˈɜːluːsən.
The lake is only referenced in the Prose Edda, book Gylfaginning, written in the 13th century by Snorri Sturluson.