Ski Areas in South Ostrobothnia South Ostrobothnia Ski Resorts South Ostrobothnia is a region of Finland offering skiing and snowboarding in 2 Finnish Ski Resorts, including Seinajoki and Ähtäri. Snow Forecasts for South Ostrobothnia No significant snow is forecast for ski resorts here right now. South Ostrobothnia Ski Resorts Ski Resorts in South Ostrobothnia Ski ResortPistesTopBeginn.Interm.Experts Seinajoki-119m---Ähtäri-----