Honolulu Downhill Bike & Ko'olau Waterfall Hike Tour

Summary

Oahu Rainforest Biking and Hidden Waterfall Adventure

If you want a real taste of Oahu’s wild side—hidden waterfalls, quiet jungle roads, and those big island views—this tour’s got you covered. It’s relaxed enough for families but still feels like an adventure you’ll remember.

What’s the experience like?

The first thing I noticed stepping onto the trail was the earthy scent—wet leaves, a hint of ginger in the air. Our guide, Kaleo, pointed out tiny red ʻōhiʻa blossoms underfoot as we walked through the private rainforest. The path was a bit muddy from last night’s rain, but nothing my borrowed hiking shoes couldn’t handle. After about twenty minutes, we reached the waterfall—a double drop, maybe 35 feet high, with cool mist on my face and just enough space to sit on a rock and look out over Windward Oahu. You could hear nothing but water and a distant rooster crowing somewhere down the hill.

Back at the van, we swapped boots for bikes—KHS cruisers with wide seats (my legs thanked me later). The drive up to the Honolulu Forest Reserve took maybe fifteen minutes, winding past old mango trees and glimpses of Waikiki far below. At the top, it was breezy—bring a light jacket if you get cold easily. Coasting downhill felt easy; barely had to pedal, just steer and watch for wild chickens darting across the road. The pavement was smooth but had a few leaf patches from last week’s windstorm. Kaleo kept stopping to show us native plants or point out where Diamond Head poked above the city skyline. Lunch was simple—turkey sandwiches, chips, cold guava juice—but after all that fresh air, it tasted perfect.

Step-by-step itinerary

Day 1 — Rainforest Hike and Downhill Bike

• Hike to double-tiered waterfall
• Van shuttle up 2,000 ft for views
• Downhill bike tour on paved jungle road
• Enjoy deli-style lunch and drinks

Top questions

Is this tour suitable for young kids?

Kids need to be at least 4 feet tall to ride their own bike. There are trailers for younger ones, but it’s not recommended for children under 5.

What should I bring?

Comfortable clothes you don’t mind getting muddy, closed-toe shoes for hiking, sunscreen, and maybe a light rain jacket just in case.

How hard is the hike?

It’s mild to moderate—about a mile each way on dirt trails. There are some roots and rocks but nothing too tricky if you’re steady on your feet.

Are meals included?

Yes! You’ll get a deli-style lunch and drinks during the bike portion of the tour.

What if it rains?

Rain gear is provided if needed. The tour runs rain or shine unless conditions are unsafe.

What’s included

You’ll get hotel pickup and drop-off in Waikiki, all your biking and hiking gear (including helmets and rain jackets), a friendly local guide who really knows their stuff, plus lunch and drinks. Kids’ bikes and trailers are available too.