Rifugio Rudi to Rifugio Berti

Prepare to challenge your calf muscles as you ascend Croda Rossa (9,633 ft), a route that’s a steely climb even for the pros. Once you’ve conquered the challenging climb, an evocative descent awaits along wartime-era paths — this is spine-tingling Italian history come to life. Distance: 5.2 miles Difficulty: Moderate