The Euganean Spas A place of culture and well-being. www.veneto.to 3000 m. In the subsoil, the water runs for approximately 80 km at high temperatures and under great pressure for an average of 25/30 years, becoming richer and richer in mineral salts. Reaching the Euganean spa basin, it returns to the surface at a temperature of 87°C, rich in geothermal energy and dissolved substances that make Abano Terme, monumental entrance to the Montirone. 2 Montegrotto Terme, Cathedral.