The Peppara Wildlife Sanctuary is a wildlife sanctuary in Thiruvananthapuram district of Kerala, India. It consists of the catchment area of the Karamana River, which originates from Chemmunjimottai, the tallest hill within the sanctuary. The sanctuary is named after the Peppara Dam, commissioned in 1983 to augment the drinking water supply to Thiruvananthapuram city and suburban areas. Considering the ecological significance of the area, it was declared a sanctuary in 1983. The terrain is undulating with elevation ranging from 100 m to 1717 m. The area of the sanctuary is 75 km2 with tropical moist evergreen forests and myristica swamps. It is part of the Agasthyamala Biosphere Reserve. Peppara Wildlife Sanctuary is 44 kilometres (27 mi) by car from the nearest railway station, at Thiruva