It is absolutely critical that pilots who endeavor to fly into remote regions and mountainous areas first receive specialized instruction. This is a discipline of aviation that is often underestimated and even misunderstood. It is the ultimate amalgam of seat-of-the-pants visceral flying, and the more academic disciplines of navigation, instrument flying, and weather interpretation.
Getting certificated (licensed) to fly
Stuff about certificates (Part 61 and 141) and regulation for type of flight (Part 91 vs 135) as well as ratings (LSA vs normal ASEL vs ASES etc)