Only three springs are located in the middle reach of the Vardar, while the remaining ones are in the western part. Worthy of note is Rashche spring north of Skopje with an average capacity of 4,7001/s, as well as the nearby Nerezi and Lepenec wells with 1,4001/s. The main geothermal zone is in the area of Vokovo-Skopje- Katlanovo, Kumanovo, Isti Banja- Kocani-Stip, Strumica, Smokvica- Negorci- Gevgelija and Kosovrasti- Debar- Baniste.