Sorry for reply so late , because I'm very busy these week.
Maehongson don't in Chiangmai but it's near Chiangmai Province. It's very scenic. U can come chiangmai next year in february because Chiangmai have flower fastival on 8th fabruary. I'm thing U like it.Pai in Maehongson Province. It's very scenic too.
I'm sorry.I'm thing your friend is your sister. I'm happy for help people because it's fell happiness and development me.