Gunung Nuang - Selangor’s toughest day hike, a long muddy approach to a jungle summit

The line through Selangor/Pahang border, Malaysia - waypoints, elevation and the day-by-day shape of the walk.
Year-round (drier Mar-Sep)
Tropical heat and humidity, heavy rain in the wet season, leeches and slippery terrain; the trail becomes a mud-fest when wet
Open year-round; extremely muddy after rain; a long day. Confirm.
A long muddy river-valley approach then a steep, root-tangled summit push
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
Turn around at Lolo/Pacat camps if short on time
Pangsun, from Kuala Lumpur
Out-and-back/loop - no shuttle needed
Day route - none needed
Day-hike kit, water, sun/rain protection, sturdy footwear; coverage varies
Services in Kuala Lumpur; limited or none on the trail
Not required; self-guided
Registration/fee; near KL
Permits and operators change - confirm before booking.
Deep mud, leeches, the long distance, the steep upper climb
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.