Tindfjöll ([ˈtʰɪntˌfjœtl̥], "peak mountains") is a ridge that extends to the south of the glacier and is an alternative name for the volcano.

[1] The Thórólfsfell (Þórólfsfel) tuya at 595 m (1,952 ft) is on the southern flanks of Tindfjallajökull, about 8 km (5.0 mi) south of the glacier.

[2]: 27 [8] Sultarfell is a pale coloured rhyolitic hill in the fissure swarm north-east of Tindfjallajökull.

[1] A small glacier on the eastern slopes of Ýma called Ýmujökull has disappeared.

[1] The rivers that flow from the glacier are Hvítmaga [ˈkʰvitˌmaːɣa] to the north-east, Gilsá [ˈcɪlsˌauː] to the south, Þórólfsá [ˈθouːroul(f)sˌauː] to the south-west, Valá [ˈvaːlˌauː] to the north-west and Blesá [ˈplɛːsˌauː] to the north.