Unrest is hard to get to if you don't know where it is or how to path the shore to it. Best to ask someone to guide you there.
Once you do make it there, you realize it's not hard to find, impossible to miss. Mostly you just skim the shore on the right side, constantly looking for and dodging wandering mobs. Big hole in the mountain opposite end of the lake just past the goblin tents. Expect to die now and again, a couple nasty mobs along the way can get you if not paying attention.
A cleric can solo Unrest perfectly fine, if decent gear for it. Better to group though, but can solo while you wait for a group. Don't hang out at the entrance, deadly trains are common. One of the best zones in EQ, especially the basement imo
http://wiki.project1999.com/The_Estate_of_Unrest
Good loot too, I still use my dwarven work boots.
One of the Cleric quests includes killing and looting the undead brewer there (for preserved hops), for
http://wiki.project1999.com/Brell_Serilis_Symbol_Quests