Captain Chendrix the Lizardfolk was stubborn about going so far up river, luckily Muroni paid for a substantial amount of the trip.
During the 2nd day, drow warriors were seen watching from the jungle, only to fade into the darkness of the foliage.
On the 4th day a Stone Giant assaulted the boat from the shore. The massive creature jumped onto the boat after a few seconds of magical assault, and was quickly dispatched by the party.
(put your points of view here in the comments as journal entries)