Kerala

Capital · Thiruvananthapuram · a narrow coastal state between the Arabian Sea and the Western Ghats

Peak elevation

Rivers mapped

Protected areas

Loading terrain…

More about Kerala

Rivers

Periyar322.4 km

Origin: Sivagiri hills of the Western Ghats, Idukki district

Mouth: Arabian Sea near Kochi

Major dams: Idukki Dam, Mullaperiyar Dam, Idamalayar Dam

The Mullaperiyar Dam on this river, built in 1895 and operated by Tamil Nadu under an old lease, has long been a dam-safety and interstate water dispute between Kerala and Tamil Nadu.

Show on map →

Bharathapuzha136.8 km

Origin: Anamalai hills (Western Ghats), near the Tamil Nadu border

Mouth: Arabian Sea at Ponnani

Major dams: Malampuzha Dam

Its banks host classical Kerala art and temple traditions, including the Kerala Kalamandalam near Shoranur.

Show on map →

Pamba246.8 km

Origin: Peerumedu plateau, Western Ghats, Idukki district

Mouth: Vembanad Lake

The Sabarimala Ayyappa temple pilgrim route runs alongside this river.

Show on map →

Chaliyar103.9 km

Origin: Ilambeleri hills near Wayanad, Western Ghats

Mouth: Arabian Sea at Beypore, Kozhikode

Flows through Nilambur, historically a major teak-timber floating route.

Show on map →

Chalakudy44.4 km

Origin: Anamalai hills, Western Ghats

Mouth: joins the Periyar near the coast

Home to the Athirappilly Falls, Kerala’s largest waterfall.

Show on map →

Achankovil157.6 km

Show on map →

Kabani21.3 km

Origin: Wayanad plateau, Western Ghats

Mouth: joins the Kaveri in Karnataka

Show on map →

Bhavani52.3 km

Show on map →

Valapattanam62.1 km

Show on map →

Kallada135.4 km

Show on map →

Ramsar Wetland

Vembanad-Kol Wetland

Ramsar Site 1214

India's longest lake and largest Ramsar wetland by area; its backwaters and houseboats are central to Kerala's tourism economy.

Show on map →

Ashtamudi Wetland

Ramsar Site 1204

An eight-armed ("ashta-mudi") palm-shaped estuarine lagoon, Kerala's second-largest wetland ecosystem and a major clam-fishery.

Show on map →

Sasthamkotta Lake

Ramsar Site 1212

Kerala's largest freshwater lake and the main drinking-water source for Kollam town, unusual for lying close to the coast without turning brackish.

Show on map →

Biosphere Reserve

Agasthyamalai Biosphere

UNESCO Biosphere Reserve (2001), part of the Western Ghats

Shared with: Tamil Nadu

Flagship species: Lion-tailed macaque, Nilgiri tahr, Tiger

Named for the Agasthyamalai peak; one of the last strongholds of the lion-tailed macaque and home to the Kani tribal community's traditional forest knowledge.

Show on map →

Nilgiri Biosphere

UNESCO Biosphere Reserve, designated 1986

Shared with: Karnataka, Tamil Nadu

Flagship species: Asian elephant, Bengal tiger, Nilgiri tahr

India's first biosphere reserve; its Kerala portion links Wayanad Wildlife Sanctuary to the Bandipur-Nagarhole-Mudumalai elephant corridor.

Show on map →

National Park

Periyar National Park

Tiger reserve centred on Periyar Lake, Idukki district

Flagship species: Bengal tiger, Asian elephant

Periyar Lake, the park's centrepiece, is an artificial lake formed by the 1895 Mullaperiyar Dam; boat safaris here are a major eco-tourism draw.

Show on map →

Silent Valley National Park

One of India's last undisturbed tropical evergreen rainforests

Flagship species: Lion-tailed macaque, Nilgiri langur

Saved from a hydroelectric project by the 'Save Silent Valley' movement of the late 1970s-80s, a landmark in Indian environmental activism.

Show on map →

Eravikulam National Park

Nilgiri tahr stronghold around Anamudi peak

Flagship species: Nilgiri tahr

Home to Anamudi (2,695 m), the highest peak south of the Himalayas, and to neelakurinji shrubs that bloom in mass only once every 12 years.

Show on map →

Anamudi Shola National Park

Shola-grassland park adjoining Eravikulam

Show on map →

Wildlife Sanctuary

Wayanad Wildlife Sanctuary

Part of the Nilgiri Biosphere Reserve elephant corridor

Flagship species: Asian elephant, Bengal tiger

Contiguous with Bandipur (Karnataka) and Mudumalai (Tamil Nadu), forming one of South India's largest connected elephant habitats.

Show on map →

Chinnar Wildlife Sanctuary

Rain-shadow scrub forest, Idukki district

Flagship species: Grizzled giant squirrel

One of Kerala's driest regions, in the rain shadow of the Western Ghats, with scrub and thorn forest unlike the state's typical wet forests.

Show on map →

Thattekad Bird Sanctuary

Salim Ali Bird Sanctuary, Ernakulam district

Named in honour of ornithologist Salim Ali, who called it one of the richest bird habitats in peninsular India.

Show on map →

Parambikulam Wildlife Sanctuary

Tiger reserve, Palakkad district

Flagship species: Bengal tiger, Asian elephant

Home to Kannimara, one of the largest and oldest teak trees in Asia, and forms a contiguous tiger landscape with Anamalai (Tamil Nadu).

Show on map →

Dams & reservoirs

These notes aren’t tied to a map feature yet.

Idukki DamMullaperiyar DamIdamalayar DamMalampuzha Dam