00:35
6.20km
300m
Cycling
The Waipi'o Valley Road Trail is a 3.8-mile touring cycling route on the Big Island, known for extreme steepness and stunning views.
Last updated: February 26, 2026
Waypoints
Start point
Parking
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3.07 km
Highlight • Waterfall
Tip by
6.20 km
End point
Parking
Way Types & Surfaces
Way Types
4.71 km
1.32 km
151 m
Surfaces
5.69 km
340 m
151 m
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Elevation
Highest point (290 m)
Lowest point (20 m)
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Weather
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Tuesday 19 May
26°C
17°C
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This route was planned by komoot.
No, access to Waipi'o Valley Road is currently prohibited for non-Hawaii residents, including touring cyclists and those in private vehicles. Only Hawaii Island residents, county-permitted tour operators, and individuals exercising Native Hawaiian traditional or customary rights are permitted to use the road, and only with 4-wheel drive vehicles. The closure is due to unsafe geologic conditions and ongoing repair work.
The road is renowned for its extreme steepness, considered the steepest in the United States. It drops approximately 800 to 850 feet over less than a mile, with an average grade of 25% and sections reaching 40% to 45%. Cycling down would be extremely demanding on brakes, and the climb back up is described as grueling. Even if access were permitted, it's a very challenging route.
The road is paved but is described as rough, narrow, and single-lane, with potholes and slick conditions when wet. Its conditions are more akin to a 4x4 road due to the extreme gradients and wear.
From the accessible Waipi'o Valley Lookout, you can enjoy panoramic views of dramatic sea cliffs, sweeping valley vistas, and lush jungle. If you were able to descend into the valley, you would also encounter the beautiful black sand beach and impressive waterfalls, including the towering Hi'ilawe Falls and Nanaue Falls View. The area is culturally significant, often called the "Valley of Kings."
The Waipi'o Valley Lookout, which offers panoramic views of the valley, remains accessible to everyone. Parking is available at the lookout point.
The Big Island of Hawaii generally has pleasant weather year-round. However, the wet season (roughly November to March) can bring more rain, making the road slicker and potentially obscuring views with fog. The dry season (April to October) typically offers clearer skies and better visibility for enjoying the panoramic views from the lookout.
Given the current access restrictions for non-residents and the extreme nature of the road, bringing dogs into the valley itself is not practical or permitted. The Waipi'o Valley Lookout area may have different rules regarding pets, but it's always best to check local signage or official county websites for the most up-to-date pet policies.
While the Waipi'o Valley Road itself is restricted, some guided bike tours operate along the Hamakua Coast to the Waipi'o Valley Lookout. These tours offer scenic rides with rolling terrain and ocean views, providing an alternative way to experience the beauty of the region without attempting to descend into the valley.
For a visit to the lookout, bring essentials like water, sun protection (hat, sunscreen), and a camera to capture the stunning views. If you plan to explore nearby areas, comfortable walking shoes are recommended. Always check the local weather forecast before your visit.
The current closure of Waipi'o Valley Road to non-residents is due to unsafe geologic conditions and ongoing repair work. Indications are that these restrictions could last for 2-3 years from their implementation in 2022. It's advisable to check official Hawaii County resources for the most current information before planning any visit.