Ho-Oh s location and A Slice of the Rainbow LenTalk Request in New Pokémon Snap explained
If you want to photograph Ho-Oh in New Pokémon Snap, you must first finish the game s storyline. Afterwards, Ho-Oh will appear in three random locations in the Volcano course across all of its Research Levels.
The first location is directly to the right of the starting point for the course - between a gap in the mountain.
For the second location, you need to wait until you ve gone down the slope near the beginning of the course to where you ll see Tyrantrum for the first time.