Ok, so somewhat late answer.
If you are refering to the Forest of bandits 2, when you asked
me, as Forest of thieves: The access to the Forest of Thieces is to the right of the Metus Travel point.
Up North is the Bandit hideout (which is part of Chapter 1) and left is the access point to the "mines" where you begin chapter 2.
There is a difference between the
bandits and the
thieves.
To access the Foret of Thieves you need to start and progress through the "Maid Quest line" (this gives a new job with new outift).
This quest line does not start until chapter 3. During that quest line, your "employer" will inform to do some "Maid jobs" at Metus.
It is there, where you are asked to bring tea/coffee to someone. And then you can enter the Forest of Thieves.
But if I read your post correctly you figured that one out already.
Regarding "the promenade", was ist mentioned in a quest, a NPC, as I do not remember a location named like that.
Meteor49 did nice comprehensive guide, and I know there is another one here in this thread.
Walkthrough.txt
This one is from 3.3.10. You already have this within the file when you extract it in this version.
This walkthrough is a simple one. (The thread has already update to 3.3.11 so you just missed it.)
My Walkthrough.txt
This is mine that I made in my free time. You can see my post on page 9.
This walkthrough is a detailed one that I played through. I replayed the game just to make this.