Plunge · Hawaii
At 400 ft, Mānāwaiopuna Falls (Jurassic Falls) ranks among the tallest waterfalls in the United States — a plunge waterfall in Hawaii. It ranks #23 by height among the waterfalls in this guide.
It lies in Kauai, Hawaii. The site is on public land managed by Private (Robinson family estate, Hanapēpē Valley).
This is a backcountry waterfall: a remote, long, or permit-required trek for prepared visitors. The nearest town is ʻEleʻele.
● waterfall · 21.9883, -159.5256 · Open in Google Maps. Coordinates mark the feature, not legal parking.
Mānāwaiopuna Falls (Jurassic Falls) has a documented drop of 400 ft (122 m). Reported waterfall heights can vary by source and whether they measure a single drop or a full cascade.
Mānāwaiopuna Falls (Jurassic Falls) is in Kauai, Hawaii, on land managed by Private (Robinson family estate, Hanapēpē Valley).
Mānāwaiopuna Falls (Jurassic Falls) is backcountry — a remote, long, or permit-required trek for prepared visitors.
Name and coordinates from the USGS Geographic Names Information System (GNIS); height, access, and seasonal notes compiled from the sources above. Reported heights vary by measurement method — see our methodology. Conditions and access change; always check the managing agency’s current page before visiting, and follow Leave No Trace principles.