Peppara Wildlife Sanctuary is a part of the Agasthyamalai forests in Thiruvananthapuram district. It is bordered on the northeast by Kalakkad-Mundanthurai Tiger Reserve of Tamil Nadu, on the north by Palode Reserve Forest, south by Neyyar Wildlife Sanctuary (IBA), and to the southwest by Agasthyavanam Biological Park. The topography is rugged, with flat meadows and gentle to steep slopes. The River Karamana, on which a dam has been constructed, resulting in a reservoir of 5.82 sq. km, drains the forest. The presence of a rock formation called 'Para Appu' is a remarkable feature of these hills. The Sanctuary is well known for its excellent scenic beauty, cool and luxuriant vegetation. It has West Coast Tropical Evergreen and Semi-evergreen, Southern Moist Deciduous, Southern Tropical Hill, and Southern Hilltop Evergreen Forests (Champion and Seth 1968). Reed brakes and Myristica swamps are also found. The West Coast Tropical Evergreen Forest is seen in comparatively small portions in Palode area. Trees are as tall at 30 m. The undergrowth is a mixture of canes, palms and ferns.
The Peppara Wildlife Sanctuary is a wildlife sanctuary near Thiruvananthapuram, Kerala, India. It consists of the catchment area of the Karamana river, which originates from Chemmunjimottai, the tallest hill within the sanctuary.