Here is a quick link to a beginner’s guide to backpacking, It should have everything you need to get you started.
https://treelinebackpacker.com/2014/03/19/a-beginners-guide-to-backpacking/
If you have any questions, feel free to comment below or contact us directly.
TreeLineBackpacker 
if the temperature of a mountain is 20ć at the foot, what will be the temperature at the summit if it is 6000 high. lapse rate 6.5’C per 1000cm of a cent