To reach the free state park and access Rainbow Falls from downtown Hilo, take Waianuenue Avenue to Rainbow Drive. There is ample free parking, as well as restrooms and a water fountain.

Wailuku River State Park, a beautiful park on the Big Island, fits the bill ... Within the state park, you'll find short hikes to Rainbow (Waiānuenue) Falls (pictured), Pe'epe'e Falls (which ...