climb martigny to mont de l'arpille 15.5km at 8.7%

plus return journey in reverse

climb to chemin from martigny 7km at 9.3%

chemin to la crevasse avr gradient 6.5%

plus 20min hike to viewpoint at 1807m

volleges to col des planches avr gradient 8.8%

climb martigny to champex-du-lac(1498m) +1000m 14km avr 7.3% (max 4km at 9.4%)

climb sembrancher to col-du-planches (1411m) +612m, 7km at 8.7%

climb martigny to champex-du-lac (1498m) = +999m at 8.8% (similar to scarfell pike)

climb orseries to mt six-blanc (2445m) = +1351(+215m hike to summit) at 8.2% (ben nevis plus circa 200m)

climb le chable to col-du-lein (1658m) = +853m at 7.5% (only circa 200m less than snowdon)

total elevation climbed = 3418m

scarfell pike+ben nevis+ snowdon = 3407m

job done! :P

climb le chable to verbier 15km at 8.9% avr

return climb sembrancher to col-des-planches 7km at 8.8% avr