It is also one of the few falls we can link to a live USGS stream gauge, so you can check how much water is coming down before you leave home.
The draw here is the moment the sound reaches you before the water does. People plan whole days around falls like Manoa Falls: a walk through the woods, cold spray at the base, and a quiet spot to sit for a while.
Geology and background
What makes Mānoa Falls special
The Manoa Falls Trail in Honolulu ends at Mānoa Falls, a 150-foot drop by the description’s count. What is certain is the setting: a rainforest trail in the hills above the city, ending at a fall that runs almost every day.
The walk is part of the visit. Allow about an hour for the hike there and back, and the trail draws many tourists for the scenery along the way as much as for the fall itself. The Lyon Arboretum sits nearby, preserving many endangered Hawaiian plant species, so the valley holds more than the waterfall.
Two warnings come with the place, and both are in the record. Swimming in the pool below the fall is highly discouraged: there is a threat of leptospirosis, a disease that causes mild to moderate flu-like symptoms lasting one to two weeks. And the valley gets rain almost every day, with flash floods possible. Take both seriously.
Use the coordinates, not the name, to navigate. 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
A stream gauge is linked on this page: check the live flow before you go. The valley gets rain almost every day, so the fall is rarely dry, but the same rain brings flash floods. Watch the weather, not just the calendar.
The trail draws many visitors. Arrive early or late: the middle of the day is peak time, and the trail is at its busiest then.
Safety
Do not swim in the pool below the fall: leptospirosis is a real threat here, and the symptoms can last one to two weeks. Stay on marked trails and behind railings. Wet, mossy rock near the brink is the most common cause of serious injury. In this valley, rain upstream can raise the water in minutes and flash floods can occur: 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
Allow about an hour for the hike there and back.
Check the live gauge and the weather before you go: flash floods can occur here.
Waterfalls mark a change in the ground beneath a stream: a fault, a glacier-cut valley wall, or a band of hard rock the water cannot wear down as quickly as what lies below it.
Water flow and seasons
The stream that feeds Manoa Falls is tracked by USGS gauge 16238500. A reading well above the seasonal median means a fuller fall, and usually a wetter, muddier trail.
Expect the most water in spring and after heavy rain. In a dry spell, especially late summer and early fall, the same fall can look half the size.
We do not have a trail length for Manoa 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 Manoa Falls
Manoa Falls is in Hawaii. For the last stretch, navigate by coordinates (21.34206, -157.79918) 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 Manoa 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
Arrive early or late. The middle of a summer weekend is peak time almost everywhere, and small trailheads can be full by 10 a.m.
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 Manoa Falls
We do not recommend specific places to stay. The links below search for hotels and campgrounds around Manoa 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 Manoa Falls, Hawaii located?
Manoa Falls is in Hawaii. Its GPS coordinates are 21.34206, -157.79918.
What kind of waterfall is Manoa Falls, Hawaii?
Its form (plunge, cascade, horsetail and so on) is not listed yet.
How tall is Manoa 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 Manoa 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?
Check USGS gauge 16238500 for today’s streamflow, and the last three days of rain in the weather panel.
The bottom line
Manoa Falls is worth a detour, especially after rain. Go early, check recent rain, wear grippy shoes, and give yourself time to sit and listen once you get there.
Waterfalls nearby
One fall rarely fills a day. These are within about 40 miles.
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