I did all my thorium mining in Winterspring. There is also mithril there as well in the areas by the timbermaws. On my server mithril is selling for 60-100g a stack so it was nice to swing by those nodes for cash. The frozen lake has 4-5 nodes around it then I hit the dragon maw cave by running over the top of it to see if any nodes were spawned in there. Then hit owlkin nesting area and then go around the canyon as there are nodes along its edge, If one was spawned in the canyon I catch it after going into the elite deamon area as there are a TON of them in there. Then swing back up and hit the Yeti cave, the furblog vilage and up to the top of the zone and that cat rock thing.

I usealy ran this circut in the mornings before work. it would take a good hour to circle the zone to hit it all but I usealy ended up with about a stack of mithril. half to a full a stack of rare (gold, truesilver) and 4 stacks of thorium and lots of rocks.

I did run into other people farming but no one ever went to the deamon area so that was always there to farm.