The Precodillera zone covers most of western Panguipulli and has forest-covered hills dissected by big thoughts occupied by the glacial lakes of Calafquén, Panguipulli and Riñihue.
Most of the western Panguipulli is covered by the Precodillera zone, which includes forested hills separated by significant glacial bodies—Calafquén, Panguipulli, and Riñihue lakes.