The best road cycling routes around Hilo

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 Hilo to Old Mamalahoa Hwy loop, an easy road cycling adventure spanning 20.5 miles (32.9 km) with a gentle elevation gain of 973 feet (296 metres). This route guides you through a Hawaiian old-growth jungle, offering a genuine experience on a predominantly paved, winding path. You will pass over century-old bridges and catch glimpses of the Pacific Ocean, including stunning views of Onomea Bay, all within an estimated 1 hour and 30 minutes of riding.

When planning your ride, be aware that the Hilo area is known for its rain, so it is wise to prepare for potential downpours. While the route is generally well-paved, some sections might be neglected, so maintain awareness as you cycle. This accessible loop is suitable for most cyclists looking for a pleasant journey through lush landscapes, making it a great option for various fitness levels.

This scenic drive along the Old Mamalahoa Highway offers a unique immersion into the region's natural beauty, cycling through rainforests and open green land. It provides a tranquil escape from busier roads, allowing you to appreciate the serene atmosphere of South Hilo. The combination of historical elements, like the old bridges, and the vibrant natural environment makes this route a memorable experience.

Embark on a moderate road cycling adventure from Hilo to Kolekole Beach Park & ʻAkaka Falls State Park, covering 35.6 miles (57.3 km) with an elevation gain of 2771 feet (845 metres). This route takes you through the historic jungle of the Hamakua Coast, offering lush rainforest scenery and glimpses of the Pacific Ocean. You will ride along the Old Mamalahoa Highway, navigating dense jungle foliage and crossing centuries-old narrow bridges, with the impressive 442-foot ʻAkaka Falls as a key landmark. Expect to complete this journey in about 2 hours and 54 minutes. You will experience a rewarding ride through diverse Hawaiian landscapes. This trail is perfect if you enjoy a challenging yet scenic ride. You will find yourself immersed in the natural beauty of the Big Island. The route offers a unique blend of coastal views and dense tropical forest.

Planning your visit requires good fitness due to the terrain and significant elevation changes, especially on ascents to ʻAkaka Falls where grades can reach 11%. Be prepared for frequent rain, which can make conditions wet and slippery, so exercise caution on narrow bridges. While most of the surface is well-paved, some sections might be unpaved and challenging. Always be mindful of potential landslides and active streams, especially after heavy rainfall. Kolekole Beach Park, a great spot for a picnic, reopened in April 2024 after significant upgrades.

This road cycling route is notable for its journey through the Hamakua Coast, a region rich in natural beauty and history. You will experience the unique ecosystem of a Hawaiian rainforest, distinct from other parts of the island. The trail offers a chance to explore a less-traveled scenic highway, providing a different perspective on the island's landscape. It connects two significant natural attractions, making it a comprehensive tour of the area's highlights. The route provides a deep dive into the island's tropical environment, showcasing its vibrant flora and geological features.

If you're looking for a road cycling adventure that packs a punch of diverse scenery, the Hilo City Ride loop delivers. This moderate 25.8-mile (41.6 km) route, typically completed in 2 hours and 42 minutes, offers 1683 feet (513 metres) of elevation gain as it sweeps you from serene coastal views past Lili'uokalani Gardens and Coconut Island, into dense, vibrant rainforests, and towards unique volcanic landscapes. You'll experience the rapid transition between environments that makes Hilo cycling so special, with some challenging climbs interspersed with more gentle sections.

Planning your ride is straightforward; Hilo has various parking options, and starting early is advisable to beat the heat and potential afternoon rain showers. Always bring ample water to stay hydrated throughout your journey. While there are no specific permits or fees mentioned for this route, general road cycling etiquette applies.

What truly sets Hilo's cycling apart is its rich natural and historical context. You'll encounter areas where the road is bordered by sharp a'a lava, a direct result of past volcanic activity, and the rainforest sections can feel like riding through a