Mannavan Shola or Mannavan Chola is the largest shola forest patch in Kerala. This is a 14 km² of unique ecosystem facing devastation. The vegetation, including many rare and endemic flora and species are part of Marayur’s great natural wealth. This is one of Kerala’s unique and delicate high altitude moist-rain forest ecosystem, located at 2100 meters from the mean sea level. This region is filled with many rare and common species of animals, birds and plants.