Inland Cool to moderate climate Variation due to altitude (50-350m) split in Upper (cooler, loamy clay, low fertility soil) and Lower Yarra Valley (warmer, deeper, fertile volcanic soil, well drained) Frost can be issue in the valley. Rainfall high: 1100mm annually, it is the wettest wine region of Australia. Issues: high humidity, fungal disease In Lower valley, irrigation needed. Upper, dry farming