What makes it 88% Couple-Friendly: Couples enjoy romantic waterfall lookouts, quiet riverside picnics, and the live-music Fern Grotto cruise; short drives and paved paths allow relaxed time together with minimal logistics.
Why 2-3 hours visit duration is ideal for couple trip: This gives time to visit both waterfall lookouts, a Fern Grotto cruise, and a riverside picnic without rushing.
Opaekaʻa Falls Viewpoint:
Stop at the paved lookout for a clear view of the 151-ft cascade.
Tip: Visit early to avoid tour buses and use the free roadside parking.
Wailua Falls Viewpoint:
Walk a short path to see the twin 80-ft waterfall up close.
Tip: Bring a rain jacket—mist from the falls can soak you.
Fern Grotto Riverboat Cruise:
Board a narrated boat for a 90-minute trip to a fern-lined cave.
Tip: Book tickets online in advance to secure your preferred time slot.
Poliʻahu and Hikinaakala Heiau Walks:
Explore the short trails to two ancient Hawaiian temple sites.
Tip: Read the interpretive signs to learn about the sacred history.

Nancy B
Beautiful and the waterfall was flowing! We even got a bonus rainbow!
Cynthia Vassar
We were on a tour and stopped to see Rainbow Waterfall. It was amazing.
Steve
This park has a great view of the waterfalls and the river. Scenic overlook worth stoping and getting a good picture. It was not crowded today and the weather was beautiful.
Jenn Capuzelo Kiel
Lovely place to take kayak or SUP out, challenging in some areas, overall beautiful, lush, tranquil
Jared Miller
So much rain. Beautiful area. Tour was very quick once we got to the fern grotto, as we were getting soaked. Dancers and songs on boat were wonderful.
Winter rains (Nov–Feb) can swell the river and make lookout areas muddy. From Apr to Oct, waters are calmer and boat tours run on schedule.
Explore These Activities
| Item | Cost (Approx.) |
|---|---|
| Fern Grotto cruise (2 adults) | USD 70 |
| Picnic supplies | USD 20 |
| Tandem kayak rental (optional) | USD 119 |
| Total Estimated | USD 209 |
Note: All prices are indicative and may vary. Please check directly with the venue for the most accurate and up-to-date information.
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Address: Kapaʻa, HI 96746, USA
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