Ok, so i came to that quest and i have a problem at 5th location in Arborstone. Because i dont find the pass to higher ground where the last point is. you can see where am i at the moment on screenie. i hope that some1 could reply quick because i have been doing this quest for one hour and i'll have to do all again if i travel. if there already is a thread about that plz give me a link.
Charting the Woods
Swang
[FnG] Lazz
I have / had the same problem. My solution was to join the Luxons 
Swang
what for, this is not the quest to choese beatween luxons and kurzicks. u choese that at to house zetler and the other quest from jamie.
Kaguya
http://guildwarsguru.com/forum/showthread.php?t=3020802