[ghaff]

Especially in winter/wet conditions.

Yes, maps can blow away or you can simply be in conditions where it's difficult to read them. But there's a lot of casualness in this thread about how "I'll always have my phone" that seems unwise for anything that's not very casual.

For the vast majority of situations we're not talking GPS vs. Olympic level orienteering. We're talking about whether you should take trail A or B and whether you're headed approximately N or S.