Honokaʻa to Spencer Beach Park

This route is classified as a "Hard road ride" and requires very good fitness. It features significant elevation changes over its 83.3-kilometer length, with approximately 1,480 meters of ascent and 1,490 meters of descent. Some segments might be unpaved and difficult, potentially requiring you to dismount and push your bike.

The estimated duration for this 83.3-kilometer racebike route is around 4 hours and 35 minutes, though this can vary based on your fitness level and how often you stop to enjoy the scenery.

You'll encounter diverse terrain, primarily mostly well-paved roads. However, be prepared for some unpaved and challenging sections. The route traverses lush rainforests, offers sweeping ocean views, dramatic sea cliffs, and deep green valleys. As you approach Spencer Beach Park, you'll see beautiful white sand beaches.

The route itself is a highlight, showcasing the stunning natural beauty of the Hamakua and South Kohala regions. You'll experience lush rainforests, ocean views, sea cliffs, and deep valleys. Specific points of interest include sections of the Old Mamalahoa Highway, the Puʻukoholā Heiau National Historic Site, and the destination, Spencer Beach Park.

While the Big Island offers good cycling conditions year-round, the dry season (roughly May to October) generally provides more consistent weather with less rain, especially in the Hamakua region. Always check local weather forecasts before you go.

You can typically find parking in Honokaʻa to begin your ride. At the destination, Spencer Beach Park offers parking facilities, which is convenient for a post-ride relaxation or pickup.

Generally, there are no specific permits or fees required to cycle the public roads that make up this route. However, always be mindful of any signage for private property or specific park regulations if you venture off the main path.

This route primarily follows public roads, so dogs are generally allowed in public areas, but leash laws must be observed. If you plan to visit specific parks or beaches along the way, check their individual pet policies, as some may have restrictions.

Given the route's length and difficulty, pack plenty of water and snacks, sun protection (sunscreen, hat, sunglasses), rain gear (especially for the Hamakua side), a basic bike repair kit, and a fully charged phone. Layers of clothing are recommended due to potential temperature changes.

Yes, while primarily a road cycling route, it does briefly intersect with sections of the Old Mamalahoa Highway, which is recognized as an official trail segment.

While the route itself is quite rural, you'll start in Honokaʻa which has amenities. It's advisable to carry sufficient water and snacks for the entire journey, as dedicated cafes or water stops might be sparse along significant portions of the route.