Western Forest Complex
  An Untouched Wilderness in the Borderland of Thailand and Myanmar

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 Protected areas
 Geography &

 Flora & fauna

 What to see & do


Protected areas > Si Nakharin National Park

The first tier of the Huai Mae Khamin waterfall

Encircling the Si Nakharin dam, Si Nakharin National Park enables the visitors to experience not only its waterfalls, hot springs, limestone caves and cliffs, but also life along one of the biggest water reservoirs in Thailand.


The park was designated in 1981.

Geography and Climate

The limestone mountains are the origin of the Kwae Yai river. The area is quite humid, but quite cold all year round. The highest temperatures are 29 C, lowest temperatures in December only 8 C.

Flora and Fauna

Most of the park is covered by evergreen and deciduous forests. The wildlife includes leopard, slow loris, civets, squirrels and bats. Birds include parakeets, kingfishers, bee-eaters, orioles and barbets. The north side of the reservoir is an important fishing area for locals.

What to See

Huai Mae Kamin Waterfall
- one of the most beautiful waterfalls in Thailand. The stream separates into 2 channels and tumbles down 7 levels before flowing on to the upper Kwae Yai river.

Phra Cave - the cave that used to be a hiding place for Thai soldier during the Thai-Burmese wars in the 18th century has Buddha images inside

Neramit Cave - a dome-like limestone cave with many stalagmites and stalactites

Pha Tat Waterfall
- the most beautiful waterfall in the Thong Pha Phum district

What to Do

Trekking, swimming, rafting, canoeing, kayaking, caving.


Headquarters - accommodation, restaurant, visitors center, parking
Pha Tat Waterfall ranger station - accommodation, parking


Bungalows and terrace houses sleeping 3 to 9 people and houseboats sleeping up to 6 people each are at the headquarters near the Huai Mae Kamin Waterfall. There are also bungalows at the ranger station near the Pha Tat Waterfall that sleep up to 9 people each.


By car from Kanchanaburi.

More information

Department of National Parks - Si Nakharin page - more detailed information on attractions, accommodation, online reservations, facilities etc.
Map of Si Nakharin National Park
Map of accommodation in Si Nakharin National Park

Wild plants - infinite variety of colours and fragrances Mystic fog - the breath of jungle Beautiful waterfalls - source of water for Thailand One of the last habitats of beasts of prey Abundant Wildlife Colourful blossoms - endless inspiration


Ministry of Foreign Affairs of the Czech Republic

The project is funded by the Government of the Czech Republic (Ministry of Foreign Affairs) and conducted with support of the National Park, Wildlife and Plant Conservation Department (DNP), Thai Ecotourism and Adventure Travel Association (TEATA), Foundation of Western Forest Complex Conservation (FWFCC) and Tourism Promotion Society of Kanchanaburi (TSK). For more information write to us at info[at]westernforest[dot]org. Webdesign and photographs by David Kučera. Translation to Thai by Kris Dhiradityakul.

National Park, Wildlife and Plant Conservation Department