Ko’olau Waterfall Hike by Bike Hawaii in Oahu
Difficulty
moderate
Duration
2–3 hours
Fitness Level
Suitable for most with reasonable fitness; steady pace over uneven terrain is required.
Overview
Venture into Oahu’s rainforest with Bike Hawaii’s Ko’olau Waterfall Hike and discover a serene 35-foot cascade surrounded by lush tropical life. This mild, guided trek reveals a tranquil side of the island rich in nature and history.
Ko’olau Waterfall Hike
All Ages • Appx. 3 hour tour
Select participants and date
About This Adventure
Embark on a captivating guided hike to a hidden waterfall in Oahu's lush rainforest. Experience the breathtaking 35-foot waterfall, tranquil streams, and vibrant tropical vegetation. This mild to moderate adventure offers a unique glimpse into the island's natural beauty, blending history and nature in a truly memorable way.
Discover a hidden waterfall hike on this privately owned slice of paradise.
Duration
- Appx. - 3 hours
- Tuesday, Thursday & Saturday
About
Join us on this mild to moderate guided waterfall hiking tour with less than 2-miles of hiking round-trip. Experience the majestic beauty of our towering 35-foot waterfall, tranquil streams, or splash in the shallow picturesque pool as you explore lush tropical vegetation of Hawaii’s paradise.
Oahu, Hawaii is a hiking paradise. With average year-round temperatures of 80 degrees (cooler in the rainforest), refreshing trade winds and two volcanic mountain ranges on this Hawaiian island. As a locally owned and operated company with a passion for Oahu’s beauty, we take great pride in knowing our guests are sharing in something we have been doing since our childhood. Our waterfall adventure is more than a hike; it is a trip through the past and present in the beautiful windward O’ahu rainforest.
This is a mild to moderate hike over dirt trail with rocks and roots. In the rainforest, expect rain and forest. Trail can be muddy and slippery when wet. Hawaiian waterfalls will vary in water output depending on several factors, including recent rainfall. Hiking time is approximately 1.5 hours.
Then join us on our other guided waterfall hike here.
Adventure Tips
Wear sturdy shoes
The trail has rocks, roots, and can be slippery when wet, so shoes with good grip are essential.
Prepare for rain
The rainforest environment means sudden showers are common—pack lightweight rain gear to stay comfortable.
Bring water and snacks
Stay hydrated and energized on this approximately 3-hour outing with less than 2 miles of hiking.
Camera ready for photos
The 35-foot waterfall and vibrant vegetation offer excellent photo opportunities—don’t forget your camera or smartphone.
Local Insights
Wildlife
- ʻApapane (native Hawaiian honeycreeper)
- Honolulu gecko
History
The Ko’olau Mountains hold cultural significance as ancient Hawaiian water sources and sacred gathering places.
Conservation
Bike Hawaii emphasizes low-impact hiking practices to protect Oahu’s delicate rainforest ecosystems and freshwater habitats.
Select participants and date
Adventure Hotspots in Honolulu
Frequently Asked Questions
Recommended Gear
Hiking shoes
Provides traction and protection on rocky, sometimes slippery rainforest trails.
Light rain jacket
Protects against sudden rainforest showers to stay dry and comfortable.
spring|fall|winter specific
Water bottle
Hydration is key during the hike, especially in warm summer months.
Camera or smartphone
Capture the vibrant waterfall and lush tropical surroundings.