"Best of at least two of us go forward. Perin says, "That way we can try and help each other if something goes wrong." he says as a way to volunteer himself.
Valdral, Everett, and Zadolix (I'll run him for now) are still 30 feet west of the map near hypothetical square YY2 if row YY were part of the map. Hypothetical row XX is the ridge line. Rows VV thru MM slope downward about twenty feet to the valley floor. Once you go east of MM you level with the camp and those inside the camp are at disadvantage to spot you (and vice versa). All ranged attacks are at disadvantage if they pass through the camp border.
K?? are kobolds. L?? are lizardmen. L1 and L2 are the lizardmen you fought at the Inn. There are three prisoners on the cart. The horses, however, are not hitched.