Both the Hanapueo Falls and the Lower Umauma Falls are visible from a bridge along Highway 19 just north of Hilo. You’ll have to watch for a pullout on the mauka…
Umauma Falls is a 300ft multi-tiered waterfall that frequents post cards as well as calendars. It sits on private land along the Big Island’s Hamakua Coast.
Nanue Falls is really a series of waterfalls on the Nanua Stream, but reaching a good view of one of the falls requires a very tricky and awkward scramble.
Akaka Falls is a 420-442ft waterfall north of Hilo on the Hamakua Coast in its own state park. It’s accessed by a short trail that also includes Kahuna Falls.
Kolekole Falls is a name I’m using for this little cascade which can be a popular swimming hole in Kolekole Beach Park when the stream and oceans are calm.
Onomea Falls is a waterfall nestled in the Hawaii Tropical Botannical Garden, which also has Boulder Creek Falls. The garden is on a drive around Onomea Bay.