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Guidebook
Lonely Planet Thailand
Lonely Planet · 2024
The 19th edition covers Kanchanaburi for Erawan and the Tak and Mae Sot area near Pha Charoen.
Thailand · Mae Lamung
Thi Lo Su Waterfall
The Thi Lo Su Waterfall is claimed to be the largest and highest waterfall in Thailand. It stands 250 metres high and nearly 450 metres wide on the Mae Klong River, flowing down from Huai Klotho into the Umphang Wildlife Sanctuary in Tak Province in northwestern Thailand.
Essentials guide
Facts from Wikidata and Wikipedia, compiled September 2026; season and access are our estimate, not a visit report. How we build these pages.
Thi Lo Su Waterfall drops 250 metres (820 ft) on the Mae Klong River. It is a plunge-type fall, and the nearest base for a visit is Mae Chan, Thailand. Access to the main viewpoint is rated moderate.
Summary adapted from the Wikipedia article (CC BY-SA 4.0).
Thi Lo Su Waterfall is the tallest of the 15 waterfalls we cover in Thailand. As a plunge waterfall, water leaves the rock entirely and falls free through the air.
What you can do here
A walk-in-and-look waterfall
No commercial adventures run at Thi Lo Su Waterfall itself — the experience is the approach and the view. Guided day trips from Mae Chan are the easiest way to combine it with the area around it.
Also good forCampingHikingPhotographyWildlife & safari
When to go
Wet-season fed: fullest from August to December; by March and April many falls here are a trickle.
Getting there
- Base town Mae Chan, Thailand
- Country Thailand
- Region Mae Lamung, Southeast Asia, Asia
- Access Moderate — a real walk — expect stairs, uneven ground or an hour on the trail
How it compares
This waterfall
Thi Lo Su Waterfall
Thailand
Height250 mWidth—
Most similar
Chumi Gyatse Falls
India
Height250 mWidth—
Also a plunge waterfall, of similar height and in India
Largest curtain
Victoria Falls
Zimbabwe · Zambia
Height108 mWidth1,708 m
Largest single sheet of falling water
Tallest on earth
Angel Falls
Venezuela
Height979 mWidth—
Widest on earth
Khone Phapheng Falls
Laos
Height21 mWidth10,783 m
Measured across the whole multi-channel system
108 m
250 m
250 m
330 m
979 m
Victoria FallsThi Lo Su WaterfallChumi Gyatse FallsEiffel TowerAngel Falls
Khone Phapheng Falls
10,783 m
Victoria Falls
1,708 m
Angel Falls is 3.9× taller than Thi Lo Su Waterfall. It drops 2.3× further than Victoria Falls (108 m). We don't have a reliable crest width for Thi Lo Su Waterfall yet, so it is left off the width chart. Tallest · widest lists.
Watch and read
Books worth packing
The Rough Guide to Southeast Asia on a BudgetRough Guides
Guidebook
The Rough Guide to Southeast Asia on a Budget
Rough Guides · 2024
For a multi-country trip, one book covering the overland routes between the Southeast Asian falls on this site.
On the map
15.92722, 98.75333
Quick answers
Where is Thi Lo Su Waterfall?
Thi Lo Su Waterfall is in Thailand (Mae Lamung). The nearest base is Mae Chan, Thailand. Its coordinates are 15.9272, 98.7533.
How tall is Thi Lo Su Waterfall?
Thi Lo Su Waterfall drops 250 metres (820 feet). It is a plunge-type waterfall on the Mae Klong River.
When is the best time to visit Thi Lo Su Waterfall?
Peak flow is August to December. Wet-season fed: fullest from August to December; by March and April many falls here are a trickle.
What can you do at Thi Lo Su Waterfall?
Beyond the viewpoints: camping, hiking, photography and wildlife & safari. Access to the main viewpoint is rated moderate — a real walk — expect stairs, uneven ground or an hour on the trail.
How do you get to Thi Lo Su Waterfall?
The usual base is Mae Chan, Thailand. A real walk — expect stairs, uneven ground or an hour on the trail from there.
Nearby
Closest to Thi Lo Su Waterfall
Pha Charoen Falls
Thailand · 60 km away
A remote highlight of Thailand's far western borderlands
Swimming
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Sai Yok Noi waterfall is a waterfall in Thailand.
Namtok Kaeng Song
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