The Rainbow Falls, called Waiānuenue (rainbow in water) in the Hawaiian language, is a waterfall in the Wailuku river, in Hilo town. The waterfall gets its name from the many rainbows you can see if you view it in the early morning.
It cascades over a lava cave and according to legend, is home to the ancient Hawaiian goddess Hina, the goddess of the moon.
There is a short climb to reach the falls, but it is well worth the effort. As you climb up, you will walk past lush vegetation and beautiful banyan trees.
The viewing area for the rainbow falls is east of the falls. Stand with the morning sun at your back while you look at the falls, and you’ll see the rainbows.
You can find the Rainbow Falls at the northwest border of Hilo, just off Rainbow Drive. To get to the falls, drive up Wainuenue Avenue, bear to the right on Rainbow Drive, and park in the parking lot on your right.