5.0
(1)
86
riders
7
rides
Road cycling around Wainaku, located near Hilo on the Big Island of Hawai'i, offers diverse landscapes for cyclists. The region features routes with significant elevation changes, ranging from coastal paths along Hilo Bay to routes traversing lush rainforests and volcanic slopes. Cyclists can experience varied terrain, including sections of older highways through dense jungle and well-paved roads with views of Mauna Kea and Mauna Loa.
Last updated: May 18, 2026
37
riders
108km
06:27
2,780m
2,780m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
5.0
(1)
11
riders
57.3km
02:54
840m
840m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

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12
riders
32.9km
01:31
300m
300m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
5
riders
41.6km
02:43
510m
510m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
32.6km
01:32
250m
250m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
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Popular around Wainaku
Macadamia plantation with sales and beautiful garden
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impressive waterfall in front of a huge cave
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Observation platform with a view of the bubbling water
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From the entrance, the lava tunnel leads in two directions. The tunnel system is 2,197 meters long in total. Sturdy footwear and sufficient lighting are recommended.
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The water on the upstream side runs through an old lava tube. I'm told (but haven't seen myself) that when the water isn't too rough, you can carefully hike upstream through the tube to see two waterfalls. There's good parking for several cars just past the bridge in the direction away from Hilo (towards Pepeekeo).
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Mauna Loa's Visitor Center has a gift shop that sells all different variations of the macadamia nut products the factory across the street produces. You can take a tour of the factory and see how these are made!
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Kolekole Beach Park is a nice area where the Kolekole Stream meets the ocean. There is a small waterfall, a nice beach, and a large grassy area, which makes it easy for families to gather, which makes it very popular during the weekdays and holidays. The park is currently temporarily closed due to some soil contaminants. Because of the closure, the park is not currently well maintained and has become overgrown. The ocean conditions here are a little too dangerous for swimming, but visitors can swim in the Kolekole Stream. There is no lifeguard here, so visitors should always visit and swim with caution.
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Wainaku, near Hilo, offers a diverse range of road cycling experiences. You'll find routes with significant elevation changes, from coastal paths along Hilo Bay to trails traversing lush rainforests and volcanic slopes. Options include easy, moderate, and difficult routes, catering to various ability levels.
Yes, there are several easy routes. The Hilo to Old Mamalahoa Hwy loop is an easy 20.5-mile path that takes you through dense jungle foliage and over historic narrow bridges. The Hilo Bayfront Trails also offer scenic, multi-use pathways ideal for a more relaxed ride.
The region is rich in natural beauty. Along your rides, you can encounter stunning waterfalls like Rainbow Falls and the impressive ʻAkaka Falls State Park. Coastal routes offer views of Hilo Bay and attractions like the Liliuokalani Gardens. You might also pass by the Boiling Pots and the Kawainui Stream Bridge.
Absolutely. For experienced cyclists seeking a challenge, the Hilo to Maunakea Visitor Information Station route is a difficult 67.3-mile ride with over 9,100 feet of elevation gain. Saddle Road, accessible from the Hilo side, also offers a well-paved route with panoramic views of Mauna Kea and Mauna Loa for those seeking a strenuous ascent.
The road cycling routes around Wainaku are highly rated by the komoot community, with an average score of 5.0 stars. Cyclists often praise the varied terrain, from lush greenery and volcanic landscapes to beautiful coastal paths with ocean vistas, and the immersive experience of riding through dense jungle foliage.
Yes, loop routes are popular for exploring the region. The Hilo City Ride loop is a moderate 25.8-mile route offering a variety of scenery. Another option is the Hilo to Old Mamalahoa Hwy loop, an easy 20.5-mile path.
Wainaku experiences consistent tropical weather. Generally, drier conditions occur from May to October, which might be preferable for road cycling. However, the lush rainforests mean rain can occur year-round, so it's always wise to check the local forecast.
Definitely. The Hilo to Kolekole Beach Park & ʻAkaka Falls State Park route is a 35.6-mile trail that leads through coastal areas and towards impressive waterfalls. Many routes also offer stunning ocean vistas along the Hilo Bayfront.
Yes, Wainaku serves as an excellent gateway to numerous cycling opportunities in the Hilo region. Its proximity to Hilo's expanding cycling infrastructure allows easy access to routes that explore both the immediate Wainaku area and broader Hilo attractions, from coastal paths to volcanic landscapes.
For those looking for longer distances, the Hilo to Maunakea Visitor Information Station route is a significant 67.3-mile journey, offering a challenging and extended ride with dramatic scenery.
While specific 'family-friendly' road cycling routes are not explicitly detailed, the developing Hilo Bayfront Trails offer a multi-use pathway that is generally suitable for families. These scenic routes through recreational and historic areas provide a safer and more relaxed environment away from heavy traffic.
As Wainaku is close to Hilo, parking options are typically available in and around the Hilo Bayfront area, which serves as a common starting point for many routes. Specific trailheads for routes like the Old Mamalahoa Highway may have designated parking, but it's advisable to check local maps or komoot route details for precise parking information.


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