The brainchild of sportive guru and Alpine adventurer Mike Cotty most iconic and even lesser - known ascents across the globe .
The brainchild of sportive guru and Alpine adventurer Mike Cotty is the Col Collective has released a series of guides to climbing some of the toughest .
The brainchild of sportive guru and Alpine adventurer Mike Cotty , the Col Collective has released a series of guides to climbing some of the toughest , most iconic and even lesser - known ascents across the globe .