Easy adventure to run and fun for the players. Didn't need to keep re-referencing the material after the initial read through.
The last act of the adventure is pretty interesting and allows for open interpretation for sheer amount of undead ... I like this because it made the characters/players/ extra weary about what they were walking into. With the right description and story telling skills it's pretty scary even.
One thing to note: this adventure really is for a party of five level 5s - as the adventure states. Once you move beyond that, the combat encounters become super easy all the way up till the end . You may want to modify some of the encounters just in case you run this with a group of seven level 5s or, if you are playing Tiered games, characters level 8 and upward ... if you don't, the'll mow right through the enemies with zero risk. Beast of Jungle Rot is a good companion to this adventure (especially if you are looking to modify the first encounter).
Will run again.
Play time for a Tier 2 group of characters was a between 4 and 5 hours. If you are a newer DM, not use to juggling abilities of mid level characters, or you have a large table, I would say it's a solid 5 - 5 and a half hour run.