Grootfontein (Afrikaans:Large Spring after the nearby hot springs) is a city of 23,793 inhabitants in the Otjozondjupa Region of central Namibia. It is one of the three towns in the Otavi Triangle, situated on the B8 national road that leads from Otavi to the Caprivi Strip. Grootfontein receives an annual average rainfall of 557 millimetres (21.9 in), although in the 2010/2011 rainy season 956 millimetres (37.6 in) were measured.