Portugal, Serra da Estrela, Portugal
Mainland Portugal's highest road crosses granite boulder fields to the Torre summit.
Length
50 km
In miles
31.1 mi
Driving time
1 hr 15 min
Atlas rating
9.2 / 10
The run
Seia to Covilha, following the N339. Drive it in either direction, though the views usually favour the climb.
Season
Regularly closed by snow in winter
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 12 June 2026
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