Billy McCoy Stream

The lower reaches are steeply gorged and a simple high-level traverse of the gorge is difficult. The gorge is passable in low water, with numerous crossings and a scramble around the final waterfall. It is impassable in high water. The Hector Glacier is now usually cut off above its confluence with Hecuba Glacier, but in good conditions Hecuba Glacier is still a feasible route to Battleaxe Col.