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Routes
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United States
Kauaʻi County

Kalepa Mountain Forest Reserve

Routes
Hikes
United States
Kauaʻi County

Kalepa Mountain Forest Reserve

The best waterfall hikes and walks in Kalepa Mountain Forest Reserve

By Fede from komoot

·

Updated May 30, 2026

If you’ve ever tried to plan hiking in Kalepa Mountain Forest Reserve, you know how quickly the options can feel overwhelming. It’s tough to tell which routes are genuinely worth your time and effort, and which are just filler. That’s where we come in: komoot’s community has mapped, walked, and reviewed countless trails here, and we’ve distilled all that local knowledge into a curated shortlist. We’re here to save you the guesswork.

While Kalepa Mountain Forest Reserve itself is primarily dedicated to reforestation and doesn't feature public trails, the surrounding areas offer incredible hiking, especially for waterfall lovers. Expect steep, forested slopes, lush lower-mesic forests, and beautiful river valleys, particularly in adjacent spots like Nounou Forest Reserve and Wailua River State Park. The terrain is varied, but many of the best waterfall routes are surprisingly accessible, making this a fantastic destination for easy to moderate hikes.

If you only do one waterfall hike, make it the popular Uluwehi Falls loop from Wailua River State Park. At just 1.9 miles (3.1 km), it’s an easy route that delivers big on scenic payoff. For a slightly longer, equally rewarding adventure that local hikers love, check out the Upper Hoʻopiʻi Falls – Lower Ho'opi'i Falls loop from Kawaihau, an easy 2.5 miles (4.0 km) through lush forest to two distinct waterfalls. With over 2,700 hikers having explored these trails and an average rating of 4.7 stars, you know you’re in for a treat. Start exploring with komoot and find your perfect waterfall hike.

If you only do 3 of these routes

  1. 1

    Uluwehi Falls loop from Wailua River State Park
  2. 2

    Upper Hoʻopiʻi Falls – Lower Ho'opi'i Falls loop from Kawaihau
  3. 3

    Upper Hoʻopiʻi Falls – Lower Ho'opi'i Falls loop from Hoʻopiʻi Falls

Compare these routes at a glance

Trail

Distance

Elevation

Difficulty

Uluwehi Falls loop from Wailua River State Park

3.13 km

50 m

Easy

Upper Hoʻopiʻi Falls – Lower Ho'opi'i Falls loop from Kawaihau

4.04 km

60 m

Easy

Upper Hoʻopiʻi Falls – Lower Ho'opi'i Falls loop from Hoʻopiʻi Falls

3.44 km

50 m

Easy

1.

Uluwehi Falls loop from Wailua River State Park

3.13km

00:51

50m

50m

The Uluwehi Falls trail, also known as Secret Falls, offers a truly immersive Kauaʻi adventure that starts with a paddle and ends with a waterfall. You'll kayak up the Wailua River, surrounded by dense rainforest, before embarking on a jungle hike. The path winds through tropical flora, over muddy terrain, and across streams, leading to the stunning 100 to 120-foot "bridal-veil" waterfall cascading into a refreshing pool. It's a unique way to experience the island's interior, combining serene river views with an adventurous trek.

Planning your visit means preparing for a two-part journey; the 1.9-mile (3.1 km) hike with 162 feet (49 metres) of elevation gain is preceded by a significant kayak trip. While the hike itself is rated easy and takes about 51 minutes, the overall experience is considered moderate due to the paddling and often muddy, slippery trail conditions. You'll likely get wet and dirty, so wear appropriate footwear and clothing. Many visitors choose guided tours for convenience, but self-guided options are also popular, typically starting from Wailua River State Park.

What makes this route particularly notable is the required river journey, as the Wailua River is Hawaiʻi's only navigable river. This combination of kayaking and hiking provides a distinct perspective on Kauaʻi's lush landscapes, offering both a peaceful paddle and an exciting jungle trek. Despite its historical name, "Secret Falls," it's a very popular destination, and swimming in the pool at the base of the falls is a highlight for many.

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2.

Upper Hoʻopiʻi Falls – Lower Ho'opi'i Falls loop from Kawaihau

4.04km

01:06

60m

60m

The Ho'opi'i Falls loop trail near Kawaihau offers a captivating journey through a dense Kauai rainforest, leading to two beautiful waterfalls. You'll navigate a path that winds along the Kapa'a Stream, surrounded by towering trees, vines, and ferns, creating an atmosphere reminiscent of a movie set. While the main trail is generally flat, the descents to the Upper and Lower Hoʻopiʻi Falls are steep, often muddy, and can be technically challenging, requiring careful footing.

Planning your visit to Ho'opi'i Falls involves parking along Kapahi Road in a residential area, so please be respectful of the local community. This trail is free to access, with no permits required. Be sure to wear sturdy, waterproof hiking shoes, as the terrain can be extremely muddy, especially after rain, and trekking poles can be very helpful on the slippery sections down to the falls.

Beyond its natural beauty, the Lower Hoʻopiʻi Falls holds a unique claim to fame as a filming location for the original *Jurassic Park* movie, specifically the "Amber Mine" scene. Both waterfalls offer opportunities for swimming in their pools, providing a refreshing reward after your hike. This 2.5-mile (4.0 km) easy hike with 211 feet (64 metres) of elevation gain takes about 1 hour and 6 minutes, making it a rewarding and relatively quick adventure.

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3.

Upper Hoʻopiʻi Falls – Lower Ho'opi'i Falls loop from Hoʻopiʻi Falls

3.44km

00:57

50m

50m

The Upper Hoʻopiʻi Falls – Lower Ho'opi'i Falls loop from Hoʻopiʻi Falls offers a delightful plunge into Kauaʻi's lush jungle, leading you to two distinct waterfalls. You'll hike through dense rainforest, with towering ferns and intertwined branches creating a movie-like atmosphere, often alongside the Kapaʻa Stream. The trail is rated easy, but be ready for muddy, uneven terrain with roots and rocks, especially after rain; reaching the base of the falls involves steep, slippery sections and some scrambling.

This 2.1-mile (3.4 km) hike, with a modest 177 feet (54 metres) of elevation gain, can be completed in about 56 minutes, making it a perfect short adventure. Parking is limited to street spots at the end of Kapahi Road, so plan to arrive early. No permits or fees are needed for this publicly accessible trail, but waterproof shoes with good grip are essential for navigating the slick slopes.

Beyond its natural beauty, the Lower Hoʻopiʻi Falls holds a unique appeal as a filming location for the original Jurassic Park movie, adding a touch of cinematic history to your journey. Both waterfalls offer refreshing swimming opportunities, with the upper falls featuring a narrow plunge pool and the lower falls a larger one. It's a true hidden gem among Kauai's waterfall hikes, offering a less crowded experience than some of the island's more famous trails.

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Tips from the Community

Daniel Krueger
October 18, 2023, Hoʻopiʻi Falls Trail

Hoʻopiʻi Falls Trail is a trail through the jungle and leads from Kapahi Road to the Hoʻopiʻi Falls. The trail, that partly follows Kapaʻa Stream, is really short and completely flat, so you don't need any experience.

0

0

Upper Hoʻopiʻi Falls are the first falls along Hoʻopiʻi Falls Trail. The water falls into a little pool, where you can go for a little swim and cool down. Please be aware, that the path to the main falls in the eastern direction is on private property and behave accordingly if you wish to continue.

2

0

Hoʻopiʻi Falls Trail is a trail through the jungle and leads from Kapahi Road to the Hoʻopiʻi Falls. The trail, that partly follows Kapaʻa Stream, is really short and completely flat, so you don't need any experience.

1

0

Stefan
September 26, 2023, Hoʻopiʻi Falls Trail

Jungle path

Translated by Google

0

0

Tom Bombadil
February 28, 2020, Uluwehi Falls

Cross Bach twice on the way there, shoes that are allowed to get wet are recommended, and because of the mud on the way there are good soles

Translated by Google

0

0

The second waterfall of the walk along the Kapa’a stream. This one has a nice rocky exposed area that offers fantastic views of the fall.

1

0

First waterfall of the short walk along the Kapa'a stream.

1

1

Beware of smooth stones Bathing shoes are an advantage

Translated by Google

0

0

Frequently Asked Questions

How many waterfall hiking trails are available in the Kalepa Mountain Forest Reserve area?

While the Kalepa Mountain Forest Reserve itself is primarily for reforestation and lacks official public trails, the surrounding region, including the adjacent Nounou Forest Reserve and Wailua River State Park, offers several waterfall hiking opportunities. There are currently 5 waterfall hiking routes documented on komoot for this area, ranging from easy to moderate difficulty.

Are there any easy waterfall hikes suitable for beginners?

Yes, most of the waterfall trails in the area are considered easy. For instance, the Uluwehi Falls loop from Wailua River State Park is an easy 1.9-mile trail, and the Upper Hoʻopiʻi Falls – Lower Ho'opi'i Falls loop from Kawaihau is another easy 2.5-mile option.

What kind of terrain can I expect on waterfall hikes in this region?

The waterfall hikes in the Kalepa Mountain Forest Reserve area traverse steep, forested slopes and lush, lower-mesic forests. You'll encounter diverse vegetation, including native species in upper areas, and often follow river valleys, providing varied and scenic landscapes.

Are there any loop trails that feature waterfalls?

Yes, several popular waterfall hikes in the area are loop trails. The Uluwehi Falls loop from Wailua River State Park is an easy 1.9-mile loop. Additionally, both the Upper Hoʻopiʻi Falls – Lower Ho'opi'i Falls loop from Kawaihau and the Upper Hoʻopiʻi Falls – Lower Ho'opi'i Falls loop from Hoʻopiʻi Falls offer circular routes to experience multiple waterfalls.

What do other hikers enjoy most about the waterfall trails here?

The waterfall trails in this region are highly rated by the komoot community, with an average score of 4.7 stars from over 200 reviews. Hikers often praise the lush, natural beauty, the refreshing waterfalls, and the accessibility of many of the trails, making them enjoyable for various skill levels.

Are the waterfall trails in Kalepa Mountain Forest Reserve suitable for families with children?

Many of the waterfall trails in the surrounding areas are suitable for families. The easy difficulty of routes like the Uluwehi Falls loop from Wailua River State Park makes them a good choice for outings with children, offering manageable distances and beautiful scenery.

Can I bring my dog on the waterfall hikes?

While specific regulations can vary, it's generally advisable to check local signage and park rules regarding dogs on trails, especially within state parks or protected forest reserves. Some trails may allow leashed dogs, while others might restrict them to protect wildlife or sensitive ecosystems. Always be prepared to pack out any waste.

What are the main natural features or landmarks to look out for on these waterfall trails?

Beyond the waterfalls themselves, you'll experience lush, diverse vegetation characteristic of Kauaʻi's lower-mesic forests. The Wailua River is a prominent feature, and trails often follow its course or tributaries. While not directly on waterfall trails, the nearby Nounou Forest Reserve is home to the iconic 'Sleeping Giant' mountain formation, which can be seen from various viewpoints in the broader region.

Are there any permits required for hiking to the waterfalls?

Generally, permits are not required for hiking the established trails to waterfalls in the Wailua River State Park or Nounou Forest Reserve areas. However, if you plan to access certain areas via kayak or other means, especially for Uluwehi Falls, there might be specific regulations or tour requirements. It's always best to check with local authorities or tour operators for the most current information.

What is the best time of year to visit the waterfalls?

Kauaʻi's waterfalls are beautiful year-round, but they tend to be most impressive during and after periods of rain, which are more common in the wetter winter months (November to March). However, trails can be muddier and more slippery during these times. The drier summer months (April to October) offer more predictable weather and clearer trail conditions, though waterfall flow might be reduced.

How long do the waterfall hikes typically take?

The waterfall hikes in this area vary in length and duration. For example, the Uluwehi Falls loop from Wailua River State Park takes about 51 minutes to complete, while the Upper Hoʻopiʻi Falls – Lower Ho'opi'i Falls loop from Kawaihau typically takes around 1 hour and 6 minutes. Most easy trails can be completed within 1-2 hours.

Where can I find parking for these waterfall trails?

Parking availability depends on the specific trailhead. For trails like the Uluwehi Falls loop, parking is typically available at Wailua River State Park. For the Hoʻopiʻi Falls trails, parking might be found near the Kawaihau or Hoʻopiʻi Falls trailheads, often in designated areas or along roadsides. Always ensure you park legally and respectfully.

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