Top 11 Waterfalls in Honolulu County
Best waterfalls in Honolulu County are found on the island of Oahu, a region characterized by its volcanic origins, lush valleys, and coastal landscapes. The area features numerous natural water formations, often nestled within dense forests or accessible via trails. These waterfalls contribute to the island's diverse natural environment, offering points of interest for outdoor exploration.
Best waterfalls in Honolulu County
- The most popular waterfalls is Waimea Falls, a waterfall with a natural pool where swimming is permitted. Life…
Last updated: April 26, 2026
Waimea Falls
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Ka'au Crater Trail
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Waimea Valley
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Maunawili Falls
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Waimano Falls
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ʻAihualama Falls
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Luaʻalaea Falls
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Ka‘au Crater Trail Waterfalls
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Waimea Falls
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Tips from the Community
As a waterfall it is about 5/10, as a hike about 3/10, ( extremely muddy when we did it), but for forest birdlife, 8/10.
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Great place for a picnic when it's dry. Turn back here - the route that continues up the ridge is poorly maintained and overgrown.
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This is a rewarding up-stream trail with beautiful waterfalls and a hidden crater along the way. The trails can be pretty slippery after storms, so this trail would be best to run in dryer conditions.
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The waterfall itself is beautiful with the thick jungle and mossy backdrop. The mosquitoes throughout Lyon Arboretum and the ʻAihualama Falls Trail are pretty bad!
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This park is located in the valley of the Waimea River. If you park you bike and take the path down to the very end, a waterfall awaits! There is also a botanical garden that doesn't require the walking to the end of the trail. Further information: waimeavalley.net
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Maunawili Falls is a beautiful waterfall in the middle of the jungle. The water first flows down a rocky path and then cascades into the pool below, where you can go for a swim. The main trail is closed at the moment, but the waterfall can still be reached via other trails (e.g. from Pali Highway).
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Usually, you can watch the water running down a beautiful rocky and moss covered wall at ʻAihualama Falls. Depending on the recent amount of rain in the valley, they might be dry or carry a lot of water!
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Reaching Luaʻalaea Falls might be a little harder than nearby Mānoa Falls, but thanks to its lesser popularity, there's a good chance that you will have the entire waterfall to yourself or just share with a handful of people. The waterfall itself is beautiful, especially if there was some rain before, and is a great spot for a little refreshment under the falling water.
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Frequently Asked Questions
Are there family-friendly waterfalls in Honolulu County?
Yes, several waterfalls are suitable for families. Waimea Falls, located within a botanical garden, offers a scenic walk and a natural pool where swimming is permitted with life jackets. Waimea Valley also features a trail leading to a waterfall through a pleasant valley setting, making it a good option for all ages.
Which waterfalls in Honolulu County allow swimming?
You can swim at Waimea Falls, where life jackets are compulsory and available on-site. Maunawili Falls also has a pool suitable for swimming, though caution is advised regarding potential leptospirosis bacteria. At Waimano Falls, you can jump into the first pool from a rope or rock.
What should I wear for waterfall hikes in Honolulu County?
Many waterfall trails in Honolulu County, such as Ka'au Crater Trail and Maunawili Falls, can be very muddy and slippery, especially after rain. It's recommended to wear sturdy, waterproof hiking shoes with good grip. For trails involving stream crossings or swimming, consider bringing water shoes or sandals and a change of clothes.
Are there challenging waterfall hikes in Honolulu County?
Yes, for experienced hikers, Ka'au Crater Trail is a challenging option featuring multiple waterfalls. This trail is known for being muddy, slippery, and overgrown, sometimes requiring climbing steep sections. The Maunawili Trail is also considered difficult.
What outdoor activities can I do near the waterfalls in Honolulu County?
Beyond waterfall viewing and hiking, Honolulu County offers a variety of outdoor activities. You can explore MTB trails like Ohana Trail or Ka'ena Point Trail. For cycling, routes such as the Hanauma Bay via Diamond Head loop are popular. Many dedicated waterfall hikes are also available, ranging from easy to difficult.
What is the best time of year to see waterfalls in Oahu?
Oahu's waterfalls are generally at their fullest and most impressive during the wetter months, typically from November to April. During this period, increased rainfall ensures a more robust flow. However, some waterfalls, especially those fed by consistent springs, maintain a flow year-round.
Are there any less crowded waterfalls in Honolulu County?
While popular spots like Waimea Falls can get busy, you might find a more secluded experience at waterfalls like Waimano Falls or ʻAihualama Falls. These often require a bit more effort to reach, which can deter larger crowds. Always check current trail conditions before heading out.
How long are typical waterfall trails in Honolulu County?
Trail lengths vary significantly. For instance, the Mānoa Falls Trail is approximately 2.7 km, while the Maunawili Trail is a much longer and more challenging 21.8 km. Many trails, like those to Waimea Falls, are shorter and more accessible walks.
What natural features can I expect to see around Honolulu County's waterfalls?
Beyond the waterfalls themselves, you'll encounter lush tropical forests, often dense with native plants. Many trails follow rivers or streams, leading to viewpoints offering scenic vistas. Some areas, like Waimea Falls, are situated within botanical gardens, showcasing diverse flora.
Can I reach waterfalls in Honolulu County via public transport?
While some popular spots like Waimea Falls and Waimea Valley on the North Shore are accessible by public bus (TheBus), reaching trailheads for more remote waterfalls can be challenging without a car. It's advisable to research specific bus routes and schedules for your chosen destination.
Are there any waterfalls that are considered hidden gems in Honolulu County?
While not entirely 'hidden,' waterfalls like Luaʻalaea Falls and Ka‘au Crater Trail Waterfalls are part of more challenging or less frequented trails, offering a sense of discovery away from the most popular tourist spots. These often require more strenuous hiking to reach.
What do visitors enjoy most about the waterfalls in Honolulu County?
Visitors frequently appreciate the natural beauty and the opportunity to immerse themselves in Oahu's lush landscapes. The ability to swim in natural pools, as at Waimea Falls, is a major draw. The scenic walks through botanical gardens or dense jungle, even on challenging trails like Ka'au Crater Trail, are also highly valued experiences.
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