In the southern part of the county, there is a large sandy area with big forests, moorlands and bogs. In the middle part of the county the valley of the River Väike-Emajõgi runs from north to south. It is continued by Valga Basin with mainly flexuous moraine landscape, cut through by low valleys or basin valleys. The most noticeable is the valley of the River Väike-Emajõgi where Pedeli Valley flows into. In the middle part of Valga Basin there is a large boggy meadow of Korva. Larger farmlands are mainly situated around Sangaste and Laatre.