U.S. Coast Guard
Tower Height: 22
Height of Focal Plane: 27
Description of Tower: Square pyramidal reinforced concrete tower.
This light is operational
Date Established: 1908
Current Use: Active aid to navigation.
From Mike Boucher: Napo'opo'o was a killer of a hike -- two miles one way down a path on a side of the mountain with tall grass (at least 7-feet high), crushed lava and gravel. Coming back up the 2000-foot elevation was the nastiest hike I've ever done. I recommend it for only the serious hiker.