On the second day of travel we climbed out of Hauroko Burn and reached treeline. There wasn't as much mud today as there was yesterday or will be in future days. I sank in to the high calf only ten times today which was pretty good all things considered. I came up with a little classification scheme for the different kinds of mud, not so much to be able to avoid the deep ones, just to be ready for them when they come (i.e. they are unavoideable):