Part of the appeal of Kawainui Falls is that it rewards a little effort: the closer you get, the cooler the air and the louder the water, and the photos rarely do it justice.
Geology and background
What makes Kawainui Falls special
Kawainui Falls is a Hawaii fall on the Big Island, and its neighbours are close. Onomea Waterfall is 0.8 miles away, Wai‘alae Falls 3.9 miles away, and Akaka Falls 4.0 miles away. Akaka Falls is the famous one in this corner of the island, and Kawainui Falls sits a short drive from it, which makes the pair an easy outing.
This is a rain-fed island fall, so flow follows the weather. Expect the most water after heavy rain, and the least in a dry spell. A short drive between falls is the way to see this side of the island, and Kawainui Falls is a good stop alongside Akaka Falls.
Navigate by coordinates rather than by name. Map apps often send waterfall searches to the wrong parking lot or the far side of the stream. Download an offline map before you lose signal.
Best time and crowds
No stream gauge is linked to Kawainui Falls, so recent rain is your best guide. This is a rain-fed island fall: expect the most water after heavy rain, and the least in a dry spell.
Akaka Falls nearby draws visitors year-round. Arrive early or late: the middle of the day is peak time, and the small parking areas can be full by late morning.
Safety
Stay on marked trails and behind railings. Wet, mossy rock near the brink is the most common cause of serious injury. Never climb the cascade or stand at the top edge, even when the flow looks gentle. In canyons, rain upstream can raise the water in minutes: leave if the water turns muddy or starts to rise.
What to bring
Shoes with real grip
A rain shell for the spray and the island showers
Water and a snack
An offline map or screenshot
A dry bag for your phone
A bag to pack out trash
Practical tips
Pair it with Akaka Falls, 4.0 miles away, and Onomea Waterfall, 0.8 miles away.
Screenshot the directions and these coordinates before you leave town.
Wear shoes you do not mind getting wet: spray reaches further than you expect.
Go after rain if you want the fall at its fullest.
A waterfall is a stream caught in the middle of reshaping its valley. The plunge pool at the base is scoured out by falling water and the stones it carries, and the lip retreats a little with every flood.
Water flow and seasons
No stream gauge is linked to Kawainui Falls yet, so recent rain is your best guide. The weather panel on this page adds up the last three days of rain at the fall.
Flow tends to peak in spring with snowmelt and seasonal rain, and again for a day or two after a big storm. By late summer smaller falls can drop to a thin ribbon.
The trail and the viewpoint
We do not have a trail length for Kawainui Falls yet. Some falls are a few steps from a parking area, others take a real hike, so check the park or a trail app before you set out.
Swimming is not listed. Treat the plunge pool as off-limits unless signs say otherwise: the water at the base is colder and stronger than it looks.
Facilities and amenities
We do not list a park for this fall, which often means a small trailhead or roadside pull-off with few or no facilities.
Plan as if there is no drinking water and no phone signal at the falls themselves. Use the restroom and fill your bottles before you start walking.
Fees, permits, and opening hours
No entry fee is listed. Parks may still charge for parking or day use, and federal lands often accept an annual pass instead.
Most falls are reachable from dawn to dusk. Gates, seasonal road closures and timed-entry permits are the usual surprises, so check the managing agency on the day.
How to get to Kawainui Falls
Kawainui Falls is in Hawaii. For the last stretch, navigate by coordinates (19.8189, -155.1046) rather than by name. Map apps often send waterfall searches to the wrong parking lot or the far side of the stream.
The final approach is usually the hardest part: narrow roads, small trailhead lots that fill early, and a walk that can be ten minutes or several hours. Download an offline map before you lose signal.
Our Hawaii waterfalls page maps every fall in the state, which helps when you are planning a route.
For the fullest flow, visit Kawainui Falls in spring or within a couple of days of heavy rain. For easier footing and warmer air, early summer is the compromise.
Light matters for photos: the base of a fall is often in shade by midday, and an overcast day evens out the bright water against dark rock.
Crowds and timing
Weekday mornings are the quietest. On summer weekends, popular falls can fill their parking by mid-morning, and the viewpoint becomes a queue.
Holiday weekends and the first warm days of spring are the busiest of all. If the lot is full, do not park on the road shoulder: it is the most common reason for tickets and towing at trailheads.
How long to spend there
Without a listed trail length, plan for half a day: enough time to find the trailhead, walk in, spend an hour at the water and walk out without rushing.
If there are other falls nearby, they are often on the same road or trail system. Two or three in a day is very doable.
Where to stay near Kawainui Falls
We do not recommend specific places to stay. The links below search for hotels and campgrounds around Kawainui Falls on Google Maps, so you can compare drive times from the trailhead.
Stay on marked trails and behind railings. Wet, mossy rock near the brink is the most common cause of serious injury.
Never climb the cascade or stand at the top edge, even when the flow looks gentle.
Plunge pools hide cold water, strong currents and submerged logs. Only swim where it is allowed.
In canyons, rain upstream can raise the water in minutes. Leave if the water turns muddy or starts to rise.
Leave no trace: pack out trash, stay off fragile moss and plants, and keep drones grounded where they are banned.
What to bring
Shoes with real grip
A rain shell for the spray
Water and a snack
An offline map or screenshot
A dry bag for your phone
Cash for parking
A bag to pack out trash
Practical visitor tips
Screenshot the directions and these coordinates before you leave town.
Wear shoes you do not mind getting wet: spray reaches further than you expect.
Keep your phone in a zip bag near the base.
Pack out everything, including food scraps.
Tell someone where you are going if the trail is long or remote.
Frequently asked questions
Where is Kawainui Falls, Hawaii located?
Kawainui Falls is in Hawaii. Its GPS coordinates are 19.8189, -155.1046.
What kind of waterfall is Kawainui Falls, Hawaii?
Its form (plunge, cascade, horsetail and so on) is not listed yet.
How tall is Kawainui Falls?
Its height has not passed a source check yet, so we do not show a number or include it in tallest lists.
How much does it cost, and when is it open?
No fee is listed, though parking or day-use fees may apply. Most falls are open dawn to dusk; check the managing agency for seasonal closures.
Is Kawainui Falls good for families?
It depends on the trail, which we have not confirmed. Check the length and terrain first, and keep children well back from wet rock and the edge.
How do I know if it is flowing?
No gauge is linked, so use the last three days of rain in the weather panel: more rain usually means more water.
The bottom line
Kawainui Falls is worth a detour, especially after rain. Check the flow before you go, start early to beat the crowds, and stay well back from the edge.
Waterfalls nearby
One fall rarely fills a day. These are within about 40 miles.
Leave a waterfall report