Am planning to do a month-long walking...
Am planning to do a month-long walking trip through the Pyrenees and Northern Spain 800 k.m.s. Will this pack be the right choice?
I would definitely go with something that has more support and a large, padded waist belt. Look at the Osprey Aeros 65 or the Gregory Baltoro 65 if you're looking for something in this size range.