August 11, 1858
Bourgeau has named the lakes Lacs des Arcs, and the peak opposite Pigeon Mount, the one behind our camp, Grotto Mountain, and a high peak to the west, on which the clouds were gathering and curling about Windy Mountain.
At this point where Grotto Mountain narrows the valley to form Gap Lake Hector goes on to say: Just beyond a second spur...we had a peep into a valley so wide and extensive...that we were looking right through a range...