The 89.52 sq. km national park is believed to be the sole surviving bit of evergreen forests in the Sahya Ranges Permitting authority: Wildlife Warden, Silent Valley National Park, Mukkali Ph: 0491 – 453225
Nearest Railway Station: Palakkad, about 80 km away. Nearest Airport: Coimbatore, in the neighbouring state of Tamil Nadu about 55 km from Palakkad.