By Bernard.V
Last updated by yanficker


  •   Suited for road bikes

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distance 10.93 km
start height 552 m
end height 1852 m
highest point 1852 m
ascent 1300 m
distance uphill 12.4 km
average ascent percentage 10.5 %
maximum ascent percentage 18.0 %

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The Mortirolo is considered to be the toughest mountain one can climb in Italy and many professional cyclers consider it as the most difficult mountain to be climbed in any of the three major tours. Lucho Herrera (1991) referred to Mortirolo as being the "Queen climb of Europe" and Lance Armstrong referred to it as the hardest climb he'd ever ridden.

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start point Via Milano, 23, 23030 Tovo di Sant'agata Province of Sondrio, Italy
end point Via Motti, 18, 23030 Mazzo di Valtellina Province of Sondrio, Italy
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Others and this route

  1. 01h 07m 00s by Dirk GAILLIAERT on 2.6.2013
  2. 02h 00m 00s by Dirkjanmasselink on 11.8.2012

Catena members' blog posts about Mortirolo

  • A toughie by berled

    Rode this on 26th of May 2014 while I was still recovering from a cold at the time. The lowest gear ratio on my bike wa…

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