List
What are the Road Poneglyphs?
In short
Road Poneglyphs are red stones marking locations whose intersection reveals Raftel.
Verified through chapter 818Updated
Also cited
4 linesThere are four Road Poneglyphs in total.
Each Road Poneglyph marks a different point.
Their intersection reveals the final island Raftel.
One Road Poneglyph is guarded in Whale Forest.
Change log
1 chapter- Chapter 818Added 4 facts; updated the answer