REVIEW · KAUAI
Wailua River & Waterfalls Kayak Tour: Expert-Guided Adventure
Book on Viator →Operated by Rainbow Kayak Tours · Bookable on Viator
Secret Falls starts with a paddle dream. This Wailua River kayak and rainforest hike pairs guide-led nature stories with a big payoff: Secret Falls swimming and lunch in the waterfall area. You’ll get out on the water, then earn your view on the trail through Kauai’s wettest kind of jungle.
I like how the tour is built for an active day without making it complicated. You’ll use tandem kayaks plus paddles, back rests, and dry bags, and you’ll move at a pace a small group can handle (up to 24 people). The one real drawback to plan for is the hike: the path can be slick and muddy, with river crossings and loose rocks, and your footwear will be submerged—so pack the right shoes.
In This Review
- Key moments that make this tour worth it
- Wailua River kayak time: why this route feels special
- The paddle-to-hike flow: what happens before Secret Falls
- The Uluwehi Falls hike: muddy shoes, river crossings, and 110 feet of payoff
- Lunch at the waterfall: why the food placement is smart
- How challenging is it, really: kayaking and hiking as a two-part workout
- Price and value: what $145.86 buys you on Kauai
- Morning timing and weather: the two levers you should not ignore
- Meeting point: where your day starts in Kapaʻa
- Who should book Wailua River and Secret Falls, and who should skip
- Should you book it?
- FAQ
- How long is the tour?
- What exactly do you do during the tour?
- What footwear do I need to bring?
- Is lunch included, and are there dietary options?
- What fitness or health limits apply?
- What happens if weather is bad?
Key moments that make this tour worth it

- Wailua River paddling with cultural stories tied to the first Hawaiians and their long voyages
- 110-foot Uluwehi Falls at the end of the hike, with a swimming hole and time to linger
- Mud-and-water trail reality, including unpaved sections and river bed crossings with loose rocks
- Lunch at the waterfall area: a fresh turkey sandwich, fruit, and water
- Small-group feel (max 24) plus expert guidance for both kayaking and hiking
- Guides like Thomas and Sierra who focus on plants, local details, and keeping you comfortable
Wailua River kayak time: why this route feels special

The day starts on the Wailua River in Kapaʻa, with the trip out feeling less like a generic sightseeing float and more like you’re moving through a living place. You paddle about 2 miles each way for roughly 4 miles total, then you transition from river pace to trail pace. That change matters. Kayaking gets your legs and balance working, and the hike turns the day into a workout that still feels rewarding instead of rushed.
The guide portion is a big part of why the river leg isn’t just scenery. You’ll hear legends and learn about the flora and fauna in Kauai’s most sacred area. You also get cultural context about the first Hawaiians—how they paddled from the Marquesas Islands to Kauaʻi nearly 1500 years ago. It’s the kind of story that makes you look at the water and plants as more than background.
Also, you’re not out there alone. This is a guided small-group setup (up to 24), and you’ll be in tandem kayaks with paddles and back rests to help you stay steady. For first-timers, having a guide helps you focus on the task instead of worrying you’ll do everything wrong.
You can also read our reviews of more tours and experiences in Kauai.
The paddle-to-hike flow: what happens before Secret Falls

Your route is straightforward in theory: paddle, hike, swim, eat, then reverse course. In practice, the day is timed so you get one main stretch of effort after another.
At the start, you’re on the water for the river portion, then you move into the rainforest hike toward Secret Falls (also known as Uluwehi Falls). The hike begins after about 1½ miles through the forest, and you’ll return the same distance back to your kayak for the paddle portion on the way out. That makes it an “earn it” kind of outing. You’re not just strolling to a viewpoint.
A detail I’d treat as important: the trail and riverbed conditions can change with weather. The tour notes that trail conditions vary and that there are river crossings with loose rocks. In other words, even if you’ve walked in Kauai before, don’t assume today will feel the same. Go in ready to move carefully.
The Uluwehi Falls hike: muddy shoes, river crossings, and 110 feet of payoff

This is where the tour either clicks for you—or becomes stressful if you came unprepared. Secret Falls drops from about 110 feet into a refreshing swimming hole. The waterfall itself is the headline, but the approach is what you should plan for.
The hike is about 3 miles round trip (1½ miles in and 1½ miles back). The tour also spells out what you’ll run into:
- an unpaved trail
- 4 river crossings with loose rocks in the river bed
- sections where footwear is completely submerged in water during the adventure
That’s not the kind of walk where you want stylish shoes or gear you’re nervous to ruin. If you try to do it in something slippery or water-happy in the wrong way, you’ll spend your time thinking about your footing instead of enjoying the jungle.
What to wear matters. The tour asks for closed-toed shoes, reef shoes, or Teeva-style sandals. It also says no flip flops or Crocs. In my book, “traction” is the deal-maker here. You’re hopping through rocky, wet crossings and then walking back the same way.
One tip from the guides’ playbook (and it shows up again and again in how people describe the walk): bring footwear that can handle mud, water, and uneven ground. If your guide offers tools to help balance on slick sections, take them. Those small supports can turn a sketchy step into a confident one.
And yes, once you get there, you’ll spend real time at the waterfall area with the option to swim and enjoy lunch. You’re not just snapping a photo and leaving.
Lunch at the waterfall: why the food placement is smart

Lunch is one of the quiet strengths of this tour. You’ll have time at Secret Falls where you can enjoy a terrific lunch while the waterfall is right there. That timing matters on a hike with slippery sections. You’re already working, so fueling at the destination feels natural instead of late or rushed.
The meal is included: a fresh handmade turkey sandwich, plus fruit and water. Dietary changes are handled with planning—if you want gluten-free or vegetarian options, you have to contact the office at least 48 hours before your tour date.
If you’re budgeting your day, the value here is real. A guided kayak-and-hike without food usually means you’re spending extra money once you’ve earned your appetite. Here, you arrive ready to eat because the tour is structured to feed you at the best moment.
How challenging is it, really: kayaking and hiking as a two-part workout

This isn’t a couch-to-coffee experience. It’s meant for active travelers with moderate physical fitness, and the tour also lists some hard no’s and limits:
- no recent surgeries
- avoid if you have bad knees/ankles/hips
- no pregnancies due to safety concerns
- age range 5 to 70
For most people who are generally mobile and comfortable in wet terrain, the challenge is manageable—just not pretend-easy. The kayaking is a skill-building component. You may have to keep the kayak straight and coordinate your paddling, especially if it’s your first time in a tandem setup. The hiking is where the work ramps up because of mud, slick trail sections, and the repeated river crossings.
The good news is that you’re not doing any of this alone. The guide helps pace the group and keeps you safe through the transitions. The best tours handle the “how” as much as the “where,” and this one does.
If you want a relaxed water day only, this might feel like too much because you’re hiking for a total of 3 miles. If you want an active half-to-full day in Kauai nature with a clear reward at the end, it’s a strong fit.
Price and value: what $145.86 buys you on Kauai

At $145.86 per person, this isn’t the cheapest thing you can do on Kauai. But it also isn’t just a scenic walk. You’re paying for a guided day that bundles:
- 4 miles of guided kayaking on the Wailua River
- a 3-mile rainforest hike to Uluwehi Falls (with crossings)
- entry/admission included
- all paddling gear (tandem kayaks, paddles, back rests, dry bags)
- lunch plus fruit and water
If you were to assemble this yourself—rent boats, find a safe way to cross the terrain, figure out the route, and then pay for a guide—you’d usually spend more in time and money. Here, your guide supplies the route knowledge and makes the day flow.
You’re also getting a smaller-group experience (max 24), which tends to mean you aren’t stuck watching a single line of people move through the mud. That’s a quality-of-life factor on a tour like this.
Morning timing and weather: the two levers you should not ignore

This activity depends on good weather. The tour states it can be canceled due to poor conditions, and in that case you’ll be offered a different date or a full refund. Treat that as normal for Kauai, where rain can change how safe and comfortable the trail is.
Timing matters too. People often recommend the early session because the river and trail can get crowded later. Going earlier also tends to feel better when the ground is slick. Either way, start smart: arrive on time for the Kapaʻa meeting point and go in ready to move.
Meeting point: where your day starts in Kapaʻa

The tour starts at 440 Aleka Pl, Kapaʻa, HI 96746 and returns back to the same meeting point. If you’re staying in the area, that’s convenient. If you’re using public transit, it’s noted as being near transportation, which helps if you don’t want to fuss with parking.
Who should book Wailua River and Secret Falls, and who should skip
Book this if:
- you want an active Kauai day with both water and rainforest
- you like learning, especially plant and nature details tied to local stories
- you’re comfortable getting wet and don’t mind muddy ground
- you want lunch included at the destination
Think twice if:
- you hate slippery trails or you’re not confident crossing uneven, wet terrain
- you have joint limitations that make muddy steps and river crossings risky
- you’re looking for a mostly relaxing tour with minimal physical effort
Also, if you’re someone who values guidance, this tour has a strong reputation for guides who teach and manage the day well. Names that come up with high marks include Thomas, Sierra, Ty, Tyler, Trae, Nalani, Kiele, and Kele. While any guide will lead, the consistent theme is attention to how to handle the trail and how to notice what’s around you.
Should you book it?
Yes, if you want a real Kauai outdoor day with a clear payoff at the end. The mix of Wailua River paddling, a rainforest hike, and 110-foot Uluwehi Falls with a swim option is the kind of combo that feels worth your money because it’s doing more than one thing well.
But book with eyes open: you must plan for wet, muddy terrain and river-bed crossings. If you show up with the right footwear and a calm attitude about mud, you’ll likely leave feeling like you earned something.
If you want, tell me your travel month and fitness level (and whether you’ve kayaked before). I can help you decide which session timing will feel best and what shoes tend to work best for your situation.
FAQ
How long is the tour?
It runs about 5 to 6 hours.
What exactly do you do during the tour?
You paddle the Wailua River (about 2 miles each way) and then hike to Secret Falls (Uluwehi Falls) (about 1½ miles each way). You can swim in the swimming hole and lunch is included.
What footwear do I need to bring?
Bring closed-toed shoes, reef shoes, or Teeva-style sandals. No flip flops or Crocs. Footwear is completely submerged in water during the hike, and the trail can be muddy and slippery.
Is lunch included, and are there dietary options?
Yes. Lunch includes a fresh handmade turkey sandwich, plus fruit and water. For gluten-free or vegetarian options, you must contact the office at least 48 hours prior to your tour date.
What fitness or health limits apply?
The tour asks for moderate physical fitness. It also notes no recent surgeries, and it’s not recommended if you have bad knees/ankles/hips. It’s not allowed for pregnancy, and the participant age range is 5 to 70.
What happens if weather is bad?
This experience requires good weather. If it’s canceled due to poor weather, you’ll be offered a different date or a full refund.










