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United States
Honolulu County

Round Top Forest Reserve

The best waterfall hikes and walks in Round Top Forest Reserve

4.6

(678)

12,146

hikers

19

hikes

Waterfall hiking trails in Round Top Forest Reserve are characterized by lush valleys, dense tropical vegetation, and the presence of multiple cascading waterfalls. The terrain often involves shaded paths through rainforest-like environments, with varying degrees of elevation gain leading to scenic viewpoints. This region provides a natural setting for exploring diverse flora and fauna alongside its prominent water features.

Best waterfall hiking trails in Round Top Forest Reserve

  • The most popular waterfall hiking route is Mānoa Falls Trail, a 1.7 miles (2.7 km) trail that takes about 1 hour to complete. This easy trail leads to the impressive Mānoa Falls through a verdant forest.
  • Another top favourite among local hikers is ʻAihualama Falls Trail, an easy 1.3 miles (2.1 km) path. This trail offers a journey through a lush, shaded valley to another beautiful waterfall.
  • Local hikers also love the Mānoa Falls – Manoa Falls Trail loop from Mānoa, a 3.3 miles (5.3 km) trail leading through tropical rainforest, often completed in about 1 hour 45 minutes.
  • Hiking in Round Top Forest Reserve is defined by lush valleys, cascading waterfalls, and dense tropical forests. The network offers options for easy to challenging trails, catering to various ability levels.
  • The routes in Round Top Forest Reserve are highly rated by the komoot community with an average score of 4.6 stars from over 180 reviews. More than 2000 hikers have used komoot to explore Round Top Forest Reserve's varied terrain.

Last updated: May 11, 2026

4.8

(59)

676

hikers

#1.

Mānoa Falls Trail

2.73km

00:56

150m

150m

Hike the easy 1.7-mile Mānoa Falls Trail through a lush rainforest to a beautiful 150-foot waterfall in Oʻahu's Round Top Forest Reserve.

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4.0

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The ʻAihualama Falls Trail is an easy 1.3-mile hike in Oʻahu's Round Top Forest Reserve, leading to a beautiful waterfall.

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Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate
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Tips from the Community

Agatha Ebner
September 25, 2025, Mānoa Falls Trail

Beautiful hiking trail, partly very muddy

Translated by Google

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Ulrico15
December 17, 2024, Mānoa Falls

Wear good shoes!

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Ian MacD
November 8, 2024, Manoa Cliff Trail

As much as this is a Cliff Trail, most of the walk is surrounded by foliage. It's a beautiful walk through bamboo and tall red trees with spongy soft bark?! Once you are up on the ridge there are so many options to extend your walk down to Round Top and back Manoa Falls.

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Nice place to sit and contemplate things. Great views across the valley to Mount Olympus and Manoa

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Access the Aihuamama trail from the steps here. The trail map is included in the photos.

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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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Christopher
October 12, 2023, Manoa Falls

Manoa Falls is one of the most spectacular waterfalls on Oahu to see! The fall is 150 feet tall and cascades down into a lush jungle. You can swim in the pool formed at the bottom to cool off! If you enjoy climbing and seeing the less-traveled roads, Lā-'ī Road and Waiomao Road can help you sneak in that little bit extra!

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ʻAihualama Falls Trail leads through the Lyon Arboretum and has many side trails that all lead to the same destination in the end. No matter which way you choose, the trail through the jungle is mostly flat, well maintained and easy to walk.

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Frequently Asked Questions

How many waterfall hiking trails can I explore in Round Top Forest Reserve?

Round Top Forest Reserve offers a diverse network of over 15 waterfall hiking trails. These routes vary in difficulty, leading you through lush valleys and dense tropical forests to stunning cascading waterfalls.

Are there easy waterfall hikes suitable for beginners or families?

Yes, Round Top Forest Reserve has several easy waterfall hikes perfect for beginners and families. For instance, the Mānoa Falls Trail is a popular and accessible option, leading to the impressive Mānoa Falls through a verdant forest. Another great choice is the ʻAihualama Falls Trail, which offers a gentle journey through a shaded valley to another beautiful waterfall.

What kind of wildlife might I encounter on the waterfall trails?

The lush, rainforest-like environment of Round Top Forest Reserve is home to diverse flora and fauna. While hiking, you might spot various native birds, insects, and unique plant species that thrive in the tropical climate. Keep an eye out for colorful forest birds and listen for their calls amidst the sounds of the waterfalls.

Are there any circular routes that include waterfalls?

Yes, for those who prefer loop trails, the Mānoa Falls – Manoa Falls Trail loop from Mānoa is a fantastic option. This 3.3-mile (5.3 km) route takes you through the tropical rainforest, offering a comprehensive experience of the area's natural beauty and waterfalls.

What do other hikers enjoy most about the waterfall trails in Round Top Forest Reserve?

The waterfall trails in Round Top Forest Reserve are highly rated by the komoot community, with an average score of 4.6 stars from over 180 reviews. Hikers often praise the stunning natural beauty, the refreshing waterfalls, and the immersive experience of walking through the dense, tropical rainforest.

What should I wear or bring for a waterfall hike in this region?

Given the lush, often damp environment, it's advisable to wear sturdy, waterproof hiking shoes with good grip. Light, breathable clothing is recommended, and a rain jacket can be useful as tropical showers can occur. Don't forget insect repellent, plenty of water, and a camera to capture the scenic waterfalls.

Are there more challenging waterfall hikes available?

While many trails are easy to moderate, there are options for those seeking a longer or more challenging experience. For example, the Manoa Falls Trail – Mānoa Falls loop from Lyon Arboretum and Botanical Garden is a moderate 4.8-mile (7.8 km) route with more elevation gain, offering a more extensive exploration of the forest and its waterfalls.

What are some interesting landmarks or attractions near the waterfall trails?

Beyond the waterfalls themselves, the area boasts several notable attractions. You can visit the Nu'uanu Pali Lookout for breathtaking views, or explore trails like Manoa Cliff Trail and Moleka Trail. The Hawaiʻi Nature Center is also nearby, offering educational insights into the local ecosystem.

Is it possible to hike to multiple waterfalls in one trip?

Yes, some routes or combinations of trails allow you to experience multiple waterfalls. For instance, the Mānoa Falls – Manoa Falls Trail loop from Mānoa offers a chance to see Mānoa Falls and explore the surrounding area, which is rich with smaller cascades, and the region is home to other falls like ʻAihualama Falls and Luaʻalaea Falls.

What is the best time of year to visit the waterfalls in Round Top Forest Reserve?

The waterfalls in Round Top Forest Reserve are beautiful year-round. However, they tend to be most impressive during and after periods of rain, when the water flow is at its strongest. The tropical climate means lush conditions are generally consistent, but checking local weather forecasts before your visit is always a good idea.

Are there any specific viewpoints or scenic spots to look out for?

Absolutely. Beyond the waterfalls themselves, the reserve offers several stunning viewpoints. The Nu'uanu Pali Lookout and Tantalus Lookout provide panoramic vistas of the surrounding landscape. Additionally, the View of Honolulu and Diamond Head from Round Top Drive offers an iconic perspective of the city and coastline.

Most popular routes in Round Top Forest Reserve

Easy hikes in Round Top Forest Reserve

Most popular attractions in Round Top Forest Reserve

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