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Wonders of Laos

Hintang Nalae menhirs
Hintang Nalae menhirs./ Prince Ray Flickr / CC BY 2.0

WorldBlue  Highlights

Only recently, Laos is emerging on the stage of international tourism – this beautiful country for decades was dragged in terrible wars and post-war isolation period.

Contrary to most countries of the world, Laos still is largely covered with primeval forest and numerous areas of the country are little explored. For example, only recently in Laos was discovered one of the largest and most magnificent caves of the world – Khoun Xe. Scientists consider that botanically and also zoologically Laos is little explored and further research could make it one of the most biodiverse countries of the world. Thus – there are known at least 500 species of orchids met only in Laos and in most cases – in a very limited area.

The most amazing wonders of Laos are:

  • Karst landscape, especially caves;
  • Unique megalithic monuments;
  • Hinduist and Buddhist temples.

Map with the described wonders of Laos

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WorldViolet Top 25 wonders of Laos

Geological wonders

Khoun Xe Cave


Giant and unique cave, 13.6 km long. The cave contains the largest known rimstone pools (gour pools) in the world – up to 60 m wide. Xe Bang Fai river flows through the cave for a 7 km long stretch and is one of the most powerful cave rivers in the world. Width of this underground river – 56 – 100 m and several meters long fish live in the stream. The ceiling is up to 120 m high. The largest known cave pearls in the world – 32 cm in diameter and even larger weird formations called Alien Eggs. Giant, very fast cave spiders including the giant huntsman spider.

Inhabitant of Khoun Xe Cave - Heteropoda maxima, the largest spider in the world
Inhabitant of Khoun Xe Cave – Heteropoda maxima, the largest spider in the world / Petra & Wilfried, Wikimedia Commons / CC BY 2.0
Khone Falls (Chutes de Khone)


At 10783 meters, this is the widest waterfall in the world. The total height of the cascade is 21 meters.

Khone Falls in Laos
Khone Falls in Laos / , Flickr CC BY 2.0
Kuang Si Falls (Kwangsi)

Luang Prabang

Waterfalls over tufa formations forming numerous blue pools. The total height of cascades is 60 – 50 m.

Kuang Si Falls
Kuang Si Falls./ Basil Strahm Flickr / CC BY 2.0
Khammouan dolines


Limestone mountains contain more than 350 collapse sinkholes, up to 230 million m³ large. Considered to be the largest concentration of large collapse dolines in the world. Many collapse sinkholes contain an unknown amount of endemic species, most are not explored. Some dolines are accessible only by air.

Khong Lor (Kong Lor, Konglor)


7.5 km long river passage in a cave – a giant tunnel that in some places is even 100 m high. The whole cave can be traveled in a boat. In one of the caves lives the giant huntsman spider (Heteropoda maxima) with a leg span that reaches 30 cm.

Tad Xe Falls (Tat Se, Tat Sae)

Luang Prabang

Exotic falls – the water there is flowing over numerous smaller tufa steps and numerous trees are growing right in the falls – thus creating the impression of a flooded forest.

Tad Xe Falls, Laos
Tad Xe Falls, Laos / Andrew K. Smith, Flickr / SA BY 2.0
Naga fireballs of Mekong

Vientiane Province

Unique phenomenon – glowing reddish balls rising from the water of the Mekong River and going upwards in the air. Local people even organize festivities at late nights in October to observe this weird sight. Sometimes there are seen thousands of such balls per night. It is possible that this is the combustion of gases emanating from the river sediments.

Naga fireballs over Mekong
Naga fireballs / Image from Tourism Authority of Thailand.
Tad Fane Falls (Taat Fang, Dong Hua Sao)


Twin falls, approximately 120 m tall, falling in a deep canyon that resembles a sinkhole.

Chom Ong Cave


More than 16.4 km long cave with enormous passages and beautiful speleothems – including travertine terraces. The cave goes through a mountain and thus has two entrances.

Nam Tok Katamtok falls (Tad Katam Tok)


Beautiful, free-falling plunge, approximately 100 m high. Falls emerge from the dense jungle.

Nam Ou gorge at Muang Ngoy

Luang Prabang

Beautiful, narrow, forested gorge with up to 600 m high cliffs.

Tad Lo Falls


Picturesque, comparatively low and wide falls falling over cliff steps.

Biological wonders

Ban Koma tea plantation


Plantation with some of the oldest tea trees in the world, up to 400 years old. As these tea trees due to their age have reached deeper soil levels, tea has a specific aroma and taste.

Archaeological wonders

Plain of Jars


More than 90 separate sites with unique megaliths – giant, 1 – 3 m high stone jars. On some sites are even 400 jars. These megaliths were created in 500 BC – 500 AD and used as human burial sites.

Plain of Jars - one of the fields, Laos
Plain of Jars – one of the fields / Vera & Jean-Christophe, Flickr / CC BY-SA 2.0
San Kong Phanh and other megalithic sites of Hintang Houamuang


Some 20 sites with numerous standing stones – menhirs – from 1000 – 500 BC. Menhirs here are made of long, narrow blades of schist and are erected over the burials excavated into the bedrock, often accessible by descending a chimney with rock-cut steps.

Pha Pa Cave (Pa Fa)


In 2004 in this previously unexplored cave have been found 229 ancient, more than 600 years old statues of Buddha. The entrance in the cave leads from the lower part (but not the base) of a 200 m high cliff.

Architecture wonders

Luang Prabang

Luang Prabang

The former capital of Laos until 1946. This city contains numerous beautiful temples, monasteries, and urban houses and represents a unique mix of Laotian, French, and Vietnamese architecture, planning, and art. Inhabited since the 7th century AD or earlier.

Luang Prabang, Vat Pa Phay temple
Luang Prabang, Vat Pa Phay temple / Jean-Pierre Dalbéra, Flickr / CC BY 2.0
Pak Ou Caves

Luang Prabang

Two caves – Tham Ting and Tham Theung overlooking the Mekong River, accessible only by boat. Both caves serve as pilgrimage sites and contain some 4,000 sculptures of Buddhas, for the most part, made of wood, often covered with gold.

One of Pak Ou caves with statues of Buddhas, Laos
One of Pak Ou caves with statues of Buddhas / einalem, Flickr CC BY-SA 2.0
Phra That Luang (Pha That Luang)

Vientiane Capital

The most important Buddhist monument in Laos – a stupa that is built on sacred land where already in the 3rd century was built Hinduist temple. Later, in the 11th – 13th century here was built Khmer temple which most likely was not existing in the 16th century when the current Buddhist stupa was built. The architecture of the structure has high symbolism to Lao people and in many ways symbolizes Khmer culture. The structure is covered with gold, 45 m tall.

Gold covered Phra That Luang, Laos
Gold covered Phra That Luang / Chris Feser, Flickr / CC BY 2.0
Viengxay Caves


Group of some 480 limestone caves that served as a shelter for up to 23,000 people including communist leaders during the bombardment in the 1960ies – 1970ies. This area has high scenic beauty.

Vat Phou (Wat Phu, Wat Pho)


Khmer Hinduist temple complex from the 11th – 13th century AD, converted to a Buddhist temple around the 15th century. Temples have been built here since the 5th century AD and are located on a steep hill that has a natural cliff – a representation of lingam – on its top. A complex of beautiful buildings – two palaces, a temple, a sanctuary, and a library, as well as different stone carvings.

Wat Xieng Thong

Luang Prabang

An important and beautiful temple complex, it was built in 1560.

That Sikhottabong


One of the most sacred sites in Laos. It contains a 28.9 m tall stupa that was built in 1568.

Sayfong Temple city

Vientiane Capital

In the southern part of contemporary Vientiane once were located at least 300 Buddhist temples developed since the 11th century AD and retained importance until the 16th century.

That Ing Hang Stupa


This beautiful stupa was built in the 16th century.

WorldYellow Recommended books

DK Eyewitness Travel Guide: Cambodia & Laos

Whether you want to explore the temples of Angkor Wat, take a boat trip through the famous Tham Kong Lo caves, or sunbathe on stunning white beaches in southern Cambodia, Cambodia and Laos offer exhilarating options for visitors.

The Rough Guide to Laos

Discover Laos with the most incisive and entertaining guidebook on the market. Rough Guides’ expert authors have done all the hard work for you: seeking out the best guesthouses, sampling sizzling street food, and trekking to remote hill villages, then writing it all up with our trademark blend of humor, insight, and practical advice. Whether you plan to lounge on laidback islands in the Mekong River, explore ancient Khmer temples or tour the Bolaven Plateau’s coffee plantations, this new edition of The Rough Guide to Laos will show you ideal places to sleep, eat, drink and shop along the way, with options to suit every budget.

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