The best road cycling routes in Hawaiʻi County

This road cycling route from Keauhou to the Lava Tube offers a captivating journey through the Big Island's diverse landscapes. You'll experience the dramatic shift from arid lava fields to vibrant coastal stretches, all while enjoying expansive ocean views. The ride is a moderate 31.4 miles (50.5 km) with 922 feet (281 metres) of elevation gain, typically taking around 2 hours and 4 minutes, making it a great option for a morning workout with a scenic payoff.

Planning your ride is straightforward, but an early start is key to beat the heat, especially in exposed areas. While the route is generally well-paved, it's a good idea to check local road conditions, as some parts of the Big Island can have unpaved sections. You'll find opportunities to pause at points of interest like St. Peter's Catholic Church and a popular snorkeling spot along Aliʻi Drive.

The highlight of this route is undoubtedly the unique lava tube, a fascinating geological formation created by ancient lava flows. This natural feature provides a tangible connection to the island's volcanic origins. The ride itself offers a mix of coastal paths and varied elevation profiles, providing a comprehensive experience of the North Kona area's natural beauty.

Embark on an easy road cycling journey from Kumukea Beach to Kaauau Point, a route perfect for your racebike. This 29.2 miles (46.9 km) ride offers consistent ocean views and passes through landscapes shaped by ancient lava flows. You will gain 829 feet (253 metres) over an estimated 1 hours and 55 minutes, making it a relaxed outing. The trail provides a smooth surface as you cycle along the North Kona coastline. You can expect to see Kumukea Beach with its unique mix of black lava and golden-brown sand, framed by palm trees. The Queen Kaʻahumanu Hwy section promises panoramic sea views, especially beautiful as the sun begins to set.

This easy road cycling route is suitable for a wide range of riders, from beginners to those seeking a leisurely pace. While specific parking details are not provided, you can generally find parking near the Kumukea Beach cycling trailhead in North Kona. The route is accessible for most of the year, offering a pleasant experience in various seasons. Consider starting your ride in the morning or late afternoon to enjoy cooler temperatures and the best light for photography. No special permits or fees are mentioned for accessing this trail.

The Kumukea Beach to Kaauau Point route stands out for its blend of natural beauty and accessibility. It offers a unique opportunity to experience the geological history of the region, with ancient lava flows shaping the coastal landscape. This trail is a great option if you are looking for a straightforward ride that highlights the scenic beauty of the North Kona coastline. It provides a refreshing escape with constant views of the Pacific Ocean, making it a memorable outing.

The Lulahala Point to Waimea loop presents a challenging racebike journey spanning 49.6 miles (79.9 km) with a substantial 3507 feet (1069 metres) of elevation gain. This difficult route, estimated to take 4 hours and 27 minutes, guides you from breathtaking coastal views, including those near Mauna Kea Beach, into elevated ranchlands. You will pedal through lush forests and across dramatic lava fields, such as those found along Queen Kaʻahumanu Highway, offering a continuously engaging and varied landscape.

This is a hard road ride, so you should possess very good fitness to manage the significant elevation changes. Be prepared that around the 63.7 kilometer mark, you might need to dismount and push your bike for approximately 646 metres. This specific section can be particularly steep or unrideable, demanding extra caution, though the majority of the roads are well-paved. Plan your start time carefully to ensure you have sufficient daylight for the entire duration of the ride.

What makes this route stand out is its unique transition through Hawaii's diverse ecosystems, from oceanfront to high-elevation terrain. The journey offers a distinct visual contrast as you move from coastal scenery to the stark beauty of lava fields and then into verdant forests. This blend of varied landscapes and demanding climbs makes the Lulahala Point to Waimea loop a memorable experience for experienced cyclists seeking a true test of endurance.

The road cycling route from Hilo to the Maunakea Visitor Information Station is often called the "hardest bike climb in the world" for good reason. You'll begin in Hilo's tropical rainforest, then ascend through five distinct climate zones, watching the scenery shift to barren volcanic landscapes. The 67.3 miles (108.4 km) ride involves a staggering 9126 feet (2782 metres) of elevation gain, with sections on Maunakea Access Road hitting 20% gradients, making it a truly difficult and demanding experience that takes around 6 hours and 27 minutes.

Starting from Hilo, you'll need to be prepared for extreme conditions. Altitude sickness is a serious risk due to the significant elevation gain, and the Maunakea Visitor Information Station is a vital stop for acclimatization. Temperatures can drop dramatically as you climb, so bring layers. Given the route's remoteness, lack of services, and the potential for rapid weather changes, a support vehicle is strongly recommended for this epic journey.

Maunakea holds deep cultural significance for Native Hawaiians and is also home to 13 astronomical telescopes, thanks to its exceptional viewing conditions. While this route ends at the Visitor Information Station, be aware that the road beyond it to the summit becomes an unpaved, extremely challenging gravel section, unsuitable for standard road bikes. This ride offers a unique opportunity to experience a dramatic transition from sea level to nearly 10,000 feet, showcasing Hawaii's diverse ecosystems.

Embark on the Kaauau Point to Kailua Kona loop, a difficult racebike route spanning 66.9 miles (107.7 km) with a substantial 3603 feet (1098 metres) of elevation gain. This challenging ride, estimated to take 4 hours and 48 minutes, offers experienced cyclists a demanding workout across Hawaii's volcanic landscape. You will encounter significant elevation changes, with some gradients reaching 5-8%, as you navigate the varied terrain. The route rewards your effort with expansive ocean views, especially as you cycle along Ali'i Drive. Prepare for a ride that tests your endurance while immersing you in the island's unique beauty.

Planning your ride on the Big Island means preparing for demanding hills and significant elevation gains. Access to the starting area is generally straightforward, but it is always wise to check local conditions before you head out. Pay close attention to weather forecasts, as conditions can change rapidly, and be aware of any potential road closures that might affect your journey. Given the route's length and difficulty, an early start is recommended to allow ample time to complete the loop comfortably and avoid the hottest parts of the day.

This loop takes you through the North Kona region, offering a unique perspective on the area's natural and historical significance. You will pass by Kaloko-Honokōhau National Historical Park, a site rich in Hawaiian history and culture, providing a glimpse into ancient life. The route also incorporates sections of the Queen Ka'ahumanu Highway, known for its rolling terrain and scenic viewpoints that showcase the island's dramatic coastline. This combination of challenging cycling and cultural immersion makes the Kaauau Point to Kailua Kona loop a memorable experience.

Prepare for a challenging road cycling adventure on the Hāpuna Beach to Pololū Valley Lookout loop, a difficult 67.0 miles (107.8 km) route that takes you through diverse Hawaiian landscapes. You will experience a dramatic shift from the stark black lava fields of the Kohala Coast to the vibrant green pastures of North Kohala. This ride involves a significant climb, gaining 5199 feet (1585 metres) of elevation, and typically takes around 5 hours and 27 minutes to complete. As you pedal, you will be treated to sweeping views of rugged cliffs and the northeastern coastline, culminating in the vista from the Pololū Valley Lookout.

When planning your ride, be aware that parking at popular spots, such as the Pololū Valley Lookout, can be limited and often fills up quickly, especially during busy periods. Choosing to cycle this route provides a distinct advantage, allowing you to bypass parking difficulties and enjoy a more peaceful journey. Always be prepared for the substantial elevation changes throughout the ride, as they are a key feature of this challenging route.

This route offers a unique perspective on the North Kohala coastline, allowing you to witness the dramatic contrast between the island's volcanic origins and its lush, green ecosystems. Keep an eye out for horses grazing in the fields as you pass through the pastures. During the winter months, you might even catch a glimpse of humpback whales offshore, adding another layer to the natural beauty of this coastal journey.

Embark on a challenging road cycling journey from Keauhou Bay to Hoʻokena Beach Park, a difficult 34.6-mile (55.7 km) route that showcases the Big Island's diverse beauty. You'll climb 3669 feet (1118 metres) over approximately 3 hours and 19 minutes, traversing from panoramic ocean views through dense old-growth Hawaiian jungle along the Old Mamalahoa Highway, eventually reaching coastal ranch lands. The highlight is Hoʻokena Beach Park, known for its unique black and white sand and large shade trees, offering a rewarding finish to this demanding ride. This route is best suited for experienced cyclists with very good fitness.

To tackle this significant elevation gain and distance, plan your ride for the cooler morning hours. Parking is available at Keauhou Bay, serving as the convenient starting point for your adventure. Ensure you bring ample hydration and nutrition, as this point-to-point route requires self-sufficiency and preparation for a sustained effort under the Hawaiian sun.

Beyond the physical challenge, this route offers a deep dive into Hawaiian culture and natural history. Hoʻokena Beach Park, your destination, is not just a scenic spot but also historically significant as one of the last active Hawaiian canoe fishing villages and a former inter-island steamship mooring site. The blend of coastal and inland environments, from lush jungle to unique beach geology, makes this one of the more popular cycling trails Keauhou to Hoʻokena for those seeking more than just a workout.

Embark on a challenging road cycling journey along the Chain of Craters Road, a route that spans 45.1 miles (72.6 km) within Hawaiʻi Volcanoes National Park. You will encounter dramatic shifts in scenery, from lush rainforests to vast fields of diverse lava flows, all while gaining 4257 feet (1298 metres) of elevation. This difficult ride, estimated to take 3 hours and 44 minutes, brings you past numerous pit craters and offers striking views where black volcanic rock meets the turquoise Pacific Ocean, culminating at the impressive Holei Sea Arch.

Before you set out, always check current conditions with the National Park Service; volcanic activity can lead to road closures or changes in access. Services are very limited along the route, so be sure to pack plenty of water, food, and sun protection for your ride. This demanding terrain requires a good level of fitness, so plan accordingly to ensure a safe and enjoyable experience.

This route is notable for its passage through a constantly evolving volcanic landscape, showcasing the raw power of nature. As you cycle, you will witness the stark contrast between ancient lava flows and newer formations, providing a unique perspective on the island's geological history. The journey offers an intimate look at the forces that continue to shape this part of the world.

If you are looking for a truly challenging racebike adventure, the Luhia to Kaloko Drive delivers a difficult climb over 26.0 miles (41.8 km). You will gain an impressive 4494 feet (1370 metres) in elevation, a journey that typically takes around 2 hours and 50 minutes. The route transforms as you ascend, starting with potential ocean views of Kona and the Pacific. Higher up, you enter a lush cloud forest, where you can spot unique rainbow eucalyptus trees among the moss-draped foliage, creating a distinct and memorable atmosphere.

When planning your ride, be aware that the initial sections, including Hina Lani Street, can have significant vehicle traffic. However, Kaloko Drive itself is mostly a quiet, residential road. Mornings often provide clearer views of the landscape, while afternoons might bring fog, adding a mystical feel to your ride. Exercise caution during descents, especially in higher elevations where moss can make the road surface slippery.

This route is primarily known for its demanding climbs and substantial elevation gain within the Honua'ula Forest Reserve. The dramatic change in scenery, from coastal glimpses to a dense cloud forest, makes it a notable experience. You will find yourself immersed in an environment characterized by bushy green grass and trees draped in moss, a unique ecosystem that sets this ride apart.