Piton des Neiges - the highest peak in the Indian Ocean, a pre-dawn summit over Réunion’s cirques and the sea

The line through Cirque de Cilaos, Reunion (France) - waypoints, elevation and the day-by-day shape of the walk.
Start
Booked gîte
Pre-dawn summit
Year-round (drier May-Nov)
Cold at the summit, cloud, wind; tropical heat lower down
Best in the drier months; cold and often clouded at the summit; a gîte overnight for the dawn. Confirm.
A steep forest-and-rock climb to a gîte, then a pre-dawn scramble to a volcanic summit
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
From Cilaos or Hell-Bourg; the sunrise from the summit
Cilaos (Le Bloc)
Out-and-back/loop - no shuttle needed
Gîte de la Caverne Dufour (booked) below the summit
Layered outdoor kit, sturdy footwear, sun/rain protection, ample water; patchy mobile coverage - carry a map/PLB where remote
Services in Cilaos; limited or none on the trail
Not required; self-guided
No permit; the Caverne Dufour gîte (booked) for the pre-dawn start. Confirm.
Permits and operators change - confirm before booking.
Cold, the pre-dawn scramble in the dark, cloud
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.