Great St Bernard Tunnel 
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From Bourg-St-Pierre a covered concrete road (8 m/26ft wide, maximum gradient 6% (1 in 16) runs up the east side of the valley above the Défilé de Saraire and past the Lac des Toules (1,800 m/5,906ft), an artificial lake (capacity 20million cu. m/706million cu. ft) formed by a dam 80 m/262ft high (short tunnel).
The road then reaches Bourg-St-Bernard, at the entrance (station, 1,915 m/6,283ft; passport and customs control; toll charge) to the Great St Bernard tunnel. To the left are the Petit Vélan (3,233 m/10,607ft) and the snow-capped summit of Mont Vélan.
Cableway (2,530 m/8,301ft, 14minutes) to the Col de Menouve (2,753 m/9,033ft; Super-St-Bernard winter sports center; magnificent ski trails).
From here the route continues either through the tunnel (maximum speed in tunnel 60km/h;37 m.p.h.) and on a covered road (9.5km/6mi long, 9 m/30ft wide) to beyond St-Rhémy, or on the old road over the Great St Bernard.
The road then reaches Bourg-St-Bernard, at the entrance (station, 1,915 m/6,283ft; passport and customs control; toll charge) to the Great St Bernard tunnel. To the left are the Petit Vélan (3,233 m/10,607ft) and the snow-capped summit of Mont Vélan.
Cableway (2,530 m/8,301ft, 14minutes) to the Col de Menouve (2,753 m/9,033ft; Super-St-Bernard winter sports center; magnificent ski trails).
From here the route continues either through the tunnel (maximum speed in tunnel 60km/h;37 m.p.h.) and on a covered road (9.5km/6mi long, 9 m/30ft wide) to beyond St-Rhémy, or on the old road over the Great St Bernard.
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