I always carry a fair length of builders line - the white stuff. From a hardware store on a red reel. Fairly strong and very light weight. No good for pack hauling but great for emergency guy rope, clothes line, or bootlace if it came to it (tho I normally carry a spare lace as well).
When we did Overland track, the line was left behind in the huts and the clothes lines above the heaters in Kia Ora and Windy Ridge are now much better equipped...
Only time I carried rope was for the Irenabyss crossing - worked a treat.
Well, okay, technically I didn't carry it...
