Reunion, Reunion
Four hundred and twenty corners and single lane tunnels into a volcanic crater town.
Length
34 km
In miles
21.1 mi
Driving time
1 hr 4 min
Atlas rating
9.4 / 10
The run
Saint Louis to Cilaos, following the RN5. Drive it in either direction, though the views usually favour the climb.
Season
Rockfall closures after cyclones
Checked by the Drivers Atlas desk
Scored and written by the Drivers Atlas editorial desk, drawing on driven routes across the UK and Europe, mapping data and member road reports. Every road in the library carries a driving and scenery score set by the same method. How we score roads.
Last reviewed 19 March 2026
Nearby
23 km away
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