Vines were first planted in the Canberra District in 1971 near Lake George by Dr Edgar Riek. The district is roughly divided into two areas, one in the Yass Valley around Murrumbateman and the other around Lake George and Bungendore. Canberra District has a cool continental climate with hot dry summers necessitating irrigation. A region of rolling hills, with elevations varying between 300 and 800 metres, means that spring frost is a real hazard, making site selection crucial. Small producers dominate the region, making handcrafted, high-quality wines particularly from Riesling, Viognier, Chardonnay, Pinot Noir and Shiraz.