Old Mamalahoa Hwy to Kapuna Road loop
Old Mamalahoa Hwy to Kapuna Road loop
4.6
(8996)
10,961
riders
02:36
41.1km
460m
Cycling
Embark on a difficult touring cycling adventure along the Old Mamalahoa Hwy to Kapuna Road loop, a 25.6-mile (41.1 km) journey on Hawaii's Big Island. This route challenges you with 1496 feet (456 metres) of elevation gain, typically taking about 2 hours and 36 minutes to complete. As you pedal,…
Last updated: April 23, 2026
Waypoints
Start point
Parking
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12.3 km
Highlight (Segment) • Cycleway
Tip by
41.1 km
End point
Parking
Way Types & Surfaces
Way Types
25.0 km
13.6 km
2.34 km
221 m
Surfaces
25.0 km
15.7 km
221 m
166 m
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Elevation
Highest point (890 m)
Lowest point (590 m)
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Weather
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Sunday 31 May
27°C
16°C
48 %
Additional weather tips
Max wind speed: 13.0 km/h
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This route was planned by komoot.
This cycling loop is considered a 'Hard bike ride', requiring very good fitness. It features significant climbing with an elevation gain of approximately 460 meters (1,509 feet) over its 41.1-kilometer (25.5-mile) distance.
The route primarily consists of paved surfaces. You'll encounter a winding road with 'nice short rolling hills' along the Old Mamalahoa Highway section. Be prepared for varied conditions typical of a historic road.
Cyclists can anticipate diverse and picturesque views. The route takes you through lush rainforests and expansive green landscapes. The Old Mamalahoa Highway offers vistas of Onomea Bay, and you'll cross several century-old bridges. If Kapuna Road offers similar views to the Hamakua Coast, you might also see sweeping ocean views and dramatic sea cliffs.
Yes, the Old Mamalahoa Highway itself is a historic stretch, once the main connector between Waimea and Honokaa. Along this section, you'll cross several century-old bridges and may even spot remnants of old sugar mills, adding a unique historical dimension to your ride.
While specific seasonal considerations aren't detailed, the Big Island generally offers good cycling weather year-round. However, for the most comfortable experience, consider visiting during the drier months to avoid heavy rain in the rainforest sections. Always check local weather forecasts before you head out.
The loop starts and ends near Waimea. While specific parking areas aren't detailed, you would typically look for public parking options within Waimea (also known as Kamuela) that accommodate cyclists and their vehicles, allowing for easy access to the start of the loop.
No, there are no specific permits or entrance fees required to cycle the Old Mamalahoa Hwy to Kapuna Road loop. It primarily uses public roads. However, always be mindful of private property and local regulations.
Given that the route primarily consists of paved surfaces, it is generally suitable for road bikes. However, be aware of the 'rolling hills' and the overall challenging nature of the ride, which demands good fitness and bike handling skills.
As this route primarily utilizes public roads, dogs are generally allowed if they are safely secured (e.g., in a bike trailer) and adhere to local leash laws and waste disposal regulations. Always prioritize the safety of your pet and other road users.
This loop is notable for combining a challenging workout with breathtaking natural beauty and a sense of history. It offers a ride through varied ecosystems, from lush rainforests to open farmlands, coupled with ocean views and historic structures like old bridges. Its 'Hard bike ride' designation makes it a rewarding adventure for experienced cyclists.
The loop starts and ends near Waimea, a town that offers various amenities. You'll find cafes, restaurants, and accommodation options in Waimea, making it a convenient base for your cycling adventure. It's advisable to check specific opening hours and availability before your trip.
Due to its 'Hard bike ride' classification and significant elevation gain, it's wise to start early in the day to avoid the midday heat and allow ample time. Ensure your bike is in excellent condition, and carry plenty of water and snacks. Pacing yourself on the rolling hills of the Old Mamalahoa Highway will be key to conserving energy for the entire loop.