Vodno (Macedonian: Водно) is a mountain in Macedonia. It is located in the northern part of the country, to the southwest of the capital city Skopje. The highest point of the mountain is at Krstovar peak, on 1066 metres and the submontane is on 337 m (Middle Vodno is on 557 m). In 2002, on Krstovar peak the Millennium Cross was built, the biggest christian cross in the world.