Located in Kauai County, Hawaii, Hoʻopiʻi Falls is a waterfall. The nearest town is Kapa‘a, about 3.9 km (2.4 mi) away (Hoʻopiʻi Falls lies NNW of town).
Sunrise & sunset directions
At Hoʻopiʻi Falls the sunrise point swings a long way through the year: about 64° (ENE) at the June solstice and 115° (ESE) in late December. Sunset moves from 296° (WNW) in June to 245° (WSW) in December, and the midday sun climbs to 89° in summer but only 44° in winter.
| Date | Sunrise | Azimuth | Sunset | Azimuth | Noon sun | Daylight |
|---|---|---|---|---|---|---|
| March equinox (Mar 20) | 6:42 AM | 90° E | 6:49 PM | 270° W | 68° | 12h 07m |
| June solstice (Jun 21) | 5:55 AM | 64° ENE | 7:25 PM | 296° WNW | 89° | 13h 29m |
| September equinox (Sep 22) | 6:27 AM | 89° E | 6:35 PM | 271° W | 68° | 12h 08m |
| December solstice (Dec 21) | 7:13 AM | 115° ESE | 6:00 PM | 245° WSW | 44° | 10h 47m |
Azimuth is measured clockwise from true north (90° = east, 270° = west). Computed for 2026; values change by less than a degree from year to year.
Golden hour & blue hour by month
Waterfalls photograph best in soft, even light: overcast days, deep shade, or the hour after sunrise before direct sun hits the water. Bright sun on white water blows highlights and adds harsh contrast.
| Month (15th) | Blue hour starts | Sunrise | Golden hour ends | Golden hour starts | Sunset | Blue hour ends | Daylight |
|---|---|---|---|---|---|---|---|
| January | 6:56 AM | 7:20 AM | 7:52 AM | 5:43 PM | 6:15 PM | 6:39 PM | 10h 56m |
| February | 6:47 AM | 7:10 AM | 7:40 AM | 6:05 PM | 6:35 PM | 6:58 PM | 11h 26m |
| March | 6:24 AM | 6:47 AM | 7:16 AM | 6:18 PM | 6:47 PM | 7:10 PM | 12h 01m |
| April | 5:55 AM | 6:18 AM | 6:48 AM | 6:28 PM | 6:58 PM | 7:21 PM | 12h 40m |
| May | 5:35 AM | 5:59 AM | 6:30 AM | 6:39 PM | 7:10 PM | 7:35 PM | 13h 12m |
| June | 5:29 AM | 5:54 AM | 6:27 AM | 6:51 PM | 7:23 PM | 7:48 PM | 13h 29m |
| July | 5:39 AM | 6:03 AM | 6:35 AM | 6:53 PM | 7:25 PM | 7:49 PM | 13h 21m |
| August | 5:53 AM | 6:16 AM | 6:46 AM | 6:39 PM | 7:10 PM | 7:33 PM | 12h 54m |
| September | 6:03 AM | 6:25 AM | 6:55 AM | 6:12 PM | 6:42 PM | 7:04 PM | 12h 17m |
| October | 6:12 AM | 6:34 AM | 7:04 AM | 5:43 PM | 6:13 PM | 6:36 PM | 11h 39m |
| November | 6:27 AM | 6:50 AM | 7:22 AM | 5:24 PM | 5:55 PM | 6:19 PM | 11h 05m |
| December | 6:45 AM | 7:10 AM | 7:43 AM | 5:24 PM | 5:57 PM | 6:22 PM | 10h 47m |
Local time (Pacific/Honolulu), including daylight saving time. Golden hour runs from about −4° to +6° solar altitude, so the morning golden hour begins during blue hour, before sunrise.
Milky Way & night sky
From Hoʻopiʻi Falls, the Milky Way core is visible in a dark sky from February through October. June gives the longest window (about 7.7 hours on a moonless night), and the core peaks around 39° above the southern horizon. Our light-pollution model puts the sky at about Bortle 5 (suburban sky), so expect visible sky glow; drive away from towns for better results.
| Month | Core visible (15th) | Hours | Max altitude | Direction |
|---|---|---|---|---|
| January | Below 10° in darkness | — | 4° | — |
| February | 4:30 AM – 5:50 AM | 1.3 | 25° | SE → SE |
| March | 2:41 AM – 5:31 AM | 2.8 | 36° | SE → SSE |
| April | 12:34 AM – 4:54 AM | 4.3 | 39° | SE → S |
| May | 10:32 PM – 4:32 AM | 6.0 | 39° | SE → SSW |
| June | 8:48 PM – 4:28 AM | 7.7 | 39° | SE → SW |
| July | 8:48 PM – 2:58 AM | 6.2 | 39° | SSE → SW |
| August | 8:28 PM – 12:58 AM | 4.5 | 39° | S → SW |
| September | 7:56 PM – 10:56 PM | 3.0 | 36° | SSW → SW |
| October | 7:27 PM – 8:57 PM | 1.5 | 26° | SW → SW |
| November | Below 10° in darkness | — | 8° | — |
| December | Below 10° in darkness | — | -17° | — |
Window when the galactic core is at least 10° high during astronomical darkness on the 15th of each month. Pick nights within a few days of the new moon. Plan exact nights with the Milky Way planner.
Estimated sky darkness: 5 Bortle 5 — Suburban sky. The Milky Way is weak near the horizon and washed out overhead; long exposures pick up a sky glow. Modeled zenith brightness ≈ 20.18 mag/arcsec².
Weather & best season
Long-term NASA satellite data for this area show September as the clearest month (about 50% average cloud cover) and March as the cloudiest (69%). September is the warmest month and February the coldest, which matters for gear, snow access and how long batteries last at night.
Average cloud cover (%)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °F | 79 | 78 | 78 | 78 | 81 | 81 | 83 | 83 | 84 | 83 | 81 | 80 |
| Low °F | 66 | 66 | 65 | 68 | 70 | 73 | 74 | 75 | 76 | 74 | 71 | 66 |
| Precip. (in) | 1.8 | 3.0 | 3.6 | 1.7 | 1.3 | 1.1 | 1.1 | 1.2 | 1.3 | 2.3 | 2.5 | 3.0 |
Monthly climatology for the surrounding 1° grid cell from NASA POWER (MERRA-2). Mountain sites can be colder and cloudier than the cell average.
Photography tips for this waterfall
- Use 1/4 to 1 second for a silky look; 1/500 s or faster freezes individual drops.
- A circular polarizer cuts glare on wet rocks and leaves and deepens greens — rotate it while watching the rocks, not the sky.
- Spring snowmelt and the days after heavy rain give the strongest flow; late summer flow can drop to a trickle.
- Look for a foreground: a mossy boulder, a fallen log or the creek's leading lines make a stronger frame than the falls alone.
- Shoot RAW to keep the most latitude for high-contrast sunrise and sunset scenes.
Season: Peak flow is usually in late spring; autumn adds color around the falls, and winter can bring ice formations at colder locations.
Suggested gear: Tripod, Circular polarizer, 3–6 stop ND filter, Lens cloth, Waterproof footwear. Work out exposures with the depth of field, ND filter and NPF rule calculators.
Nearby photo spots
Other locations within 25 km of Hoʻopiʻi Falls, closest first.
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WaterfallFAQ
When is the best time to photograph Hoʻopiʻi Falls?
What time is golden hour at Hoʻopiʻi Falls?
Where does the sun rise and set at Hoʻopiʻi Falls?
Can you see the Milky Way from Hoʻopiʻi Falls?
Do you need a permit to photograph at Hoʻopiʻi Falls?
How far is Hoʻopiʻi Falls from Kapa‘a?
Sources
Location data: USGS GNIS / GeoNames. Sun, moon and Milky Way times are computed by LWPhoto Atlas for 2026. Climate: NASA POWER. Sky darkness is a population-based estimate (Walker's law), not a measurement. See data sources & licenses.