The six mountains and five rivers in Yunnan form a complex terrain with crisscrossing mountains and deep valleys. This broom shaped terrain and water system make Yunnan higher in the northwest and lower in the southeast, which can resist the invasion of continental climate in the northwest. It can also accept warm monsoons from the Indian Ocean and the Pacific Ocean, and produce temperature changes horizontally and vertically, forming a unique plateau climate and mountain climate. The tea area is characterized by undulating mountains, shrouded in clouds and mist, intertwined streams, abundant rainfall, fertile soil, rich red and yellow soil, and abundant humus, providing unique natural conditions for tea production.
According to geographical location, Yunnan is divided into three tea regions: western Yunnan, southern Yunnan, and northeastern Yunnan. Dianhong is produced in two natural regions, western and southern Yunnan. The western Yunnan tea region, including four prefectures (regio…