Backpacking implies carrying lots of stuff for outdoor sleeping, and in the case of families this becomes even more complicated. So is it really doable? Find out here.
Those who claim that it is easier to walk uphill, should just check their ascend time and compare it with their descend time. This will tell it all.
If you are on a long tour, it is essential to keep you feet in the boots dry, so here you can read about several practical ways that you can use for this purpose.
In a natural environment you can have a variety of possible inclination angles, and this even on the same descending route. So it may be necessary to use different technics.