Thi Lo Su - Thailand’s largest waterfall, reached by a remote raft-and-trek journey near the Myanmar border

The line through Umphang (Tak Province), Thailand - waypoints, elevation and the day-by-day shape of the walk.
Start of route [interpolated - upgrade in research]
Approximate node - GPS and name to be upgraded in deeper research.
Staging point (approx) [interpolated - upgrade in research]
Approximate node - GPS and name to be upgraded in deeper research.
Staging point (approx) [interpolated - upgrade in research]
Approximate node - GPS and name to be upgraded in deeper research.
Turnaround (out-and-back) [interpolated - upgrade in research]
Approximate node - GPS and name to be upgraded in deeper research.
Nov-May (dry season)
Tropical heat and humidity, heavy rain in the wet season, leeches and slippery terrain; river levels dictate access
Dry-season access; the road/river can be impassable in the rains - verify. Confirm.
River rafting and jungle trekking to a giant waterfall
Non-technical walking/hiking; confirm any exposed or scrambly sections locally
Marked/waymarked route; navigation generally straightforward - carry a map and confirm locally
Suitable for reasonably fit hikers; not wheelchair accessible - confirm specifics
A popular, well-known route - busier in peak season
Rafting-heavy or trekking-heavy itineraries
Umphang, Tak Province
Out-and-back/loop - no shuttle needed
Multi-day - huts/refuges or camping en route; confirm booking and availability
Layered outdoor kit, sturdy footwear, sun/rain protection, ample water; patchy mobile coverage - carry a map/PLB where remote
Services in Umphang; limited or none on the trail
Guided (raft-and-trek operators)
A remote area; guided raft-and-trek operators from Umphang. Confirm.
Permits and operators change - confirm before booking.
River levels, remoteness, leeches, heat
Retrace the route to exit; dial local emergency services; carry a means of calling for help where remote
This profile is desk research, compiled from public sources - not a first-hand trail report. Coordinates are approximate.