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Help ! Wrong elevation calculation

Hi,

I planned a journey called Pentalogy of Brianconnais, with several passes direct ascents, therefore easy to calculate in terms of elavation.

The total +Ascent automatically calculated shows +3400m, whereas the simple rough addition of the passes elevation gives +4500m (1000+600+700+1000+1200m)!!!

How can there be such a big discrepancy ?

Also, when I import the route in my Garmin, it gives near +7200m !!! I have imported many tours to Garmin, and it reguarily give a x1.5 or x2 elevation multiplier.

Thanks

Alain

Elevation calculation

Hi,

I planned a journey called Pentalogy of Brianconnais, with several passes direct ascents, therefore easy to calculate in terms of elavation.

The total Ascent shows +3400m, whereas the simple rough addition of the passes elevation gives 4500m (1000+600+700+1000+1200m)!!!

How can there be such a big discrepancy ?

Also, when I import the route in my Garmin, it gives near +7200m !!! I have imported many tours to Garmin, and it reguarily give a x1.5 or x2  elevation multiplier.

Thanks

Alain

Tour la Névachie-Maurienne

Villeneuve la salle

Col Galibier

Col du Mont Cenis

Oulx - Bardonneccia

Col de l'échelle

Retour Villeneuve la Salle

229 km - 3600D+

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