In 2010, I wrote a horror dungeon crawl called the Hollow Mountain about an evil tree that is changing nature around it to fit its notion of how things should be, which is pretty alien and horrifying. It had a tribe of twisted elves worshiping the Tree That Sees even as it changed them into crazy mutants, tons of plant monsters and killer fungi, some subtle Lovecraft references and was a whole lot of fun. Unfortunately, due to a miscommunication between myself and the publisher, there was an discrepancy between the maps and the text.
To put this behind me once and for all, I thought I'd post the corrected maps. In case anyone would like to give this one a shot, use these maps. Not to blow my own trumpet, but I think it's the best dungeon crawl I ever designed.