This might not be the most exciting video other than the first few seconds (in which the camera was initially lost to the river), but it certainly does speak volumes about the durability of GoPro cameras.
This one was found after 17 months in the river (according to a time stamp left in the original video).
“Someone lost it when their raft overturned and it continued to record for many hours as it rolled downstream,” noted YouTube user Beau Ouimette. “I edited out most of the “stuck in one place” video. If it’s yours, contact me and I’ll send it back free of charge.”