GPS: N65°37.586 W16°52.949
Grjótagjá, a rift with hot water south of Jarðbaðshólar. Formerly a popular bathing place, but in the disturbances 1975-84 the water became too hot for bathing. The water is now over 50°C (122°F) and bathing is strictly forbidden.
Taka road no. 1 from Mývatn (Reykjahlíð) direction Egilsstaðir. After about 1 km from Mývatn take exit to road no. 860 to Grjótagjá.