1		Easy scramble. Use of rope generally only for glacier travel.
2		Steeper trickier sections may need a rope.
3		Longer steeper sections generally. Use of technical equipment necessary. Ice climbs may require two tools.
4		Technical climbing. Knowledge of how to place ice and rock gear quickly and efficiently a must. Involves a long day.
5		Sustained technical climbing. May have vertical sections on ice.
6		Multiple crux sections. Vertical ice may not have adequate protection. Good mental attitude and solid technique necessary. May require a bivvy on route and be a long way from civilisation.
7		Grade 7 and beyond is possible but not yet established in the region.