Destination guide
About Silent Valley National Park
Silent Valley National Park is a major protected rainforest landscape accessed through Mukkali in Palakkad district, Kerala. Forming part of the Nilgiri Biosphere Reserve in the Western Ghats, the park protects exceptionally rich evergreen forest, riverine habitats and many endemic plants and animals. The Kunthipuzha River runs through the valley, while the endangered lion-tailed macaque is among the species most closely associated with Silent Valley.
Elephants, gaur, Nilgiri langurs, Malabar giant squirrels and a wide variety of birds also occur in the wider forest ecosystem. The destination is equally important in India’s conservation history because public opposition to a proposed hydroelectric project helped safeguard this rainforest and strengthened the environmental movement around Silent Valley. Visitor experiences are regulated to protect the ecosystem and typically focus on guided nature interpretation, forest drives or approved trekking routes arranged through the park authorities.
For travellers exploring Palakkad and northern Kerala, Silent Valley offers a quieter, conservation-led experience centred on biodiversity rather than mass tourism.
At a glance
Quick Summary
Silent Valley National Park is a protected Western Ghats rainforest near Mukkali in Palakkad, Kerala, noted for the Kunthipuzha River, lion-tailed macaques, exceptional biodiversity and regulated ecotourism.
Nammude Keralam Last checked 2026-09-09
