Where is Bielsa Tunnel?
France, europe
3.07 km
1,820 m
moderate
Year-round
The Bielsa-Aragnouet Tunnel is a must-see international tunnel adventure! Perched high in the Pyrenees at 1,820m (5,971ft), it straddles the border between France and Spain, linking the Hautes-Pyrénées in France and Huesca in Spain.
This epic shortcut is 3.07km (1.90 miles) long – 1,298m in Spain and 1,772m in France, and the best part? It's toll-free! Just be aware that while cars can cruise through in both directions, larger vehicles like trucks and buses take turns in a one-way system.
You’ll approach the tunnel via the A138 from the Spanish side. From Salinas, it’s a 21 km climb with a respectable 4.9% average gradient. If you're coming from the French side via the D173 from Saint Lary Soulan, get ready for 18.93 km of winding ascent, averaging 5.3%, with some sections hitting a steep 11.8%!
While generally open year-round, winter weather can occasionally shut things down for a week or so due to avalanche risks. Oh, and a heads-up: no hazardous materials or vehicles taller than 4.3 meters are allowed. But with views like this, who cares? Get ready for an unforgettable Alpine experience!
Road Details
- Country
- France
- Continent
- europe
- Length
- 3.07 km
- Max Elevation
- 1,820 m
- Difficulty
- moderate
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