History
How it came to be
For centuries the Bonaigua was the only land route in and out of the Val d'Aran, cut off by snow all winter until the Vielha tunnel opened in 1948; the pass road still closes in heavy snow. It is a celebrated cycling and driving climb in summer.
What You’ll See
On a visit
The summit viewpoint over the Aran and the Pallars, the hairpin road, and — in winter — the Bonaigua ski sector on the slopes above.
How to Visit
On the C-28 between Baqueira and Esterri d'Àneu; drivable in summer, liable to winter closure — check road status before crossing.
Best Time
Summer for the drive; winter for the ski sector
Getting There
Good to Know
The Port de la Bonaigua tops out at 2,072 m. It was the only land route into the Val d'Aran until the Vielha tunnel opened in 1948, and the pass road can still close in heavy winter snow.
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