Best waterfalls around Waimanalo Beach are located on the windward side of Oahu, a region known for its verdant mountains and coastal landscapes. This area offers a selection of waterfalls accessible through various trails, providing opportunities to explore the island's natural environment. Waimanalo Beach itself is recognized for its long stretch of white sand and views of the Mokulua Islands. The region features 6 waterfalls, each with distinct characteristics and access routes.
Last updated: June 24, 2026
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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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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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Caution: Pretty dangerous trail for beginners. Very muddy, slippery, overgrown and sometimes you have to climb steep walls. Scheduling, KM and GPS tracking does not seem to have been recorded correctly by Komoot either. It's slow going here. Definitely plan more time.
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Main trail is closed now, but still reachable via side trails from Pali. Great 10 foot jumps into deep pool. Side cliffs can be jumps of 35 feet but water is deep and boulder free. The hike down from the main trail is very steep and muddy.
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The jungle on the Maunawili Falls Trail is beautiful. However, you have to be careful because the path is full of roots and often slippery. You have to cross the stream several times. You should also not go swimming with open wounds, since the water can contain leptospirosis bacteria.
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For a challenging experience, consider the Ka'au Crater Trail. It features varied terrain including muddy, slippery, and overgrown sections, and sometimes requires climbing steep walls. It's known for its demanding nature and requires careful navigation.
Yes, Maunawili Falls is located within a jungle environment and cascades into a pool suitable for swimming. While the main trail is currently closed, it remains accessible via alternative routes. Be aware that the water can contain leptospirosis bacteria, so avoid swimming with open wounds.
The flow of waterfalls in the Waimanalo area, such as ʻAihualama Falls, varies significantly depending on recent rainfall. They might be full and flowing after heavy rains or appear drier during periods of less precipitation, offering different visual experiences.
If you're looking for a less crowded experience, Luaʻalaea Falls is a good option. It's generally less popular than nearby Mānoa Falls, increasing your chances of enjoying the waterfall with fewer people. It's a beautiful spot, especially after some rain, and great for a refreshing dip.
Waterfall trails in the Waimanalo area often feature diverse and sometimes challenging terrain. You can expect paths with roots, muddy sections, and slippery surfaces, especially after rain. Some trails, like the Ka'au Crater Trail, may even involve climbing steep sections.
Beyond waterfall hikes, the Waimanalo Beach area offers various outdoor activities. You can find numerous cycling routes, including the 'Ohana Trail Loop' and 'Alāla Point via Kailua Beach loop', detailed in the Cycling around Waimanalo Beach guide. There are also hiking trails like the 'Makapu'u Point Trail' and 'Koko Crater Botanical Garden Trail' in the Hiking around Waimanalo Beach guide, and MTB trails such as the 'Ohana Trail' in the MTB Trails around Waimanalo Beach guide.
The Ka‘au Crater Trail Waterfalls offer a rewarding up-stream journey with beautiful cascades and a hidden crater. It's best to hike this trail in drier conditions, as it can become very slippery after storms. Plan for a slow pace and allow ample time due to the challenging nature of the path.
When visiting waterfalls in the Waimanalo area, especially those within lush jungle environments like ʻAihualama Falls, mosquitoes can be quite prevalent. It's advisable to bring insect repellent to ensure a more comfortable experience.
Safety is important on waterfall hikes around Waimanalo Beach. Trails can be muddy, slippery, and overgrown, with roots underfoot. Always wear appropriate footwear with good grip. Some trails involve stream crossings. Pay attention to warnings, such as the potential for leptospirosis bacteria in waterfall pools, and avoid swimming with open wounds.
While many waterfall trails in the Waimanalo area can be challenging, some are considered intermediate. It's important to check the specific trail conditions and difficulty ratings before you go. For example, Luaʻalaea Falls is rated intermediate, suggesting it might be more accessible than the most challenging options.
The best time to hike Waimanalo waterfalls often depends on whether you prefer full, flowing cascades or drier conditions. During the wetter months (typically November to March), waterfalls will be at their most impressive. However, trails can be significantly muddier and more slippery. Drier periods offer easier hiking conditions but potentially less dramatic waterfall flows.


Happy to travel a little further afield? Then browse these guides for the best waterfalls around Waimanalo Beach: