This study was conducted to evaluate the herbage production and mineral status in three different altitudinal zones in mount Varnoudas pastures, northwestern Greece. Samples were collected during the period from May to October of the years 2004 and 2005. Sample collection was accomplished by cutting aboveground biomass at a height similar to that grazed by small ruminants. The results showed that herbage production and trace minerals of grazable material were significantly affected (P<0.001) by sampling year, growing season and altitudinal zone respectively, while macrominerals were not affected (P<0.05) by altitudinal zone (except Mg). The interactions between sampling year, harvest month and altitudinal zone had no effect on both macro and trace minerals (except Fe). Mean herbage production was higher during the first year of the experimental period in all altitudinal zones. It was negatively correlated (P<0.05) with Na (r= -0.205) as well as (P<0.01) with Zn (r= -0.326) and Cu (r= -0.341) concentrations, but exhibited no significant relation between herbage production and the other mineral concentrations assayed. Concentrations of potassium (K), calcium (Ca), magnesium (Mg) and copper (Cu) were higher than the critical level suggested for deficiency in beef cows, in all altitudinal zones during the whole experimental period. On the contrary, a significant deficiency in the concentration of sodium (Na), phosphorus (P), iron (Fe), zinc (Zn) and manganese (Mn) was found. This finding suggested that supplementation, in available forms and proper ratios of deficient elements should be available during the grazing period in the grazing land areas studied.