Just what you need for those few highpoints with really long approach treks, like Gannett Peak and Kings Peak:
Big Dog Quadruped Robot
Of course, you'd want something a little bit quieter in the way of self-contained power for it and I'd really like to see it successfully negotiate a log bridge like the one across the creek on the way up to Kings Peak. However, with a 340# load capacity, it'd carry everything you needed for a week, including important things like some beers to celebrate the successful summit attempt!