The Vine Bridges of Iya Valley

Welcome to the Atlas Obscura Community discussion of The Vine Bridges of Iya Valley in Miyoshi, Japan. Ask questions or share travel tips, experiences, pictures, or general comments with the community. For the story behind this place, check out the Atlas Obscura entry:

Does anyone who has visited the vine bridges/Iya Valley in general have tips for getting around the area? Has anyone attempted to do it via public transport or some sort of organized tour, or is a car essential?