The eastern half of Lone lands (which you've found) the eastern half of North Downs, and Evendim, but you'll want to be high 20's - low 30's for Evendim.
I went into Harloeg (the swamp area in southeast Lone Lands) for the first time in a long time and noticed Dwarf Iron nodes there so Harloeg might also have Lebethron as well, which is the next tier up for wood (I didn't check the wood type there because that toon can't collect it). You'll want to be high 20's for Harloeg. Trollshaws/western Misty Mountains is the obvious place to get Lebethron, but you really need to be mid 30's for most of Trollshaws so having a place to collect it and stock up a bit at a lower level can be good. The western side of the lake in Evendim should have Lebethron as well.
... I went into Harloeg (the swamp area in southeast Lone Lands) for the first time in a long time and noticed Dwarf Iron nodes there so Harloeg might also have Lebethron as well, which is the next tier up for wood ...