Thanks for the info! Two things right now:
Can walk forward onto the vine, but can't climb back that way:

Is there a way into the other room of this map?

EDIT: Also, one of my fave feature from A Very Long Rope To The Top Of The Sky, is a character that can be interacted with to tell you what zones any unopened chests are in. You could try that with all your loot spots. Not sure how hard that would be. Just an idea, not begging for it.