Dents Blanches and the French FrontierHopping over the French border with sustained climbs and technical descents This Run is featured in Run the Alps Switzerland:  30 Must-Do Trail RunsAbout The Book→ 28km    ↑ 2240mΔ 2555M ♦ DifficultΘ ClockwiseThe map in my head started to piece together. I could look across the peaks and recognize places we’ve been in both Switzerland and France that …