Hilo to Old Mamalahoa Hwy loop

Yes, this route is generally considered an 'easy' road ride, making it suitable for beginners. It's approximately 32.9 km (20.4 miles) long with about 300 meters (984 feet) of elevation gain, and mostly features well-paved surfaces. While there are some ascents and descents, including a ridable steepest section of 14% out of Honomu Stream gulch, it's manageable for those new to road cycling.

The route is a loop, so you can start at various points. While specific trailhead parking isn't detailed, the loop begins and ends in Hilo. Parking would typically be found in Hilo town or along accessible points of the Old Mamalahoa Highway. As it's a road cycling route, you can often find parking in public areas or near local businesses in Hilo.

The terrain is predominantly paved, offering a smooth surface for road cycling. However, you might encounter sections where the asphalt is 'rather neglected' alongside freshly paved areas. The route is winding and traverses through dense jungle foliage, crossing several century-old bridges. Be prepared for some ascents and descents, such as a 14% grade cycling out of the Honomu Stream gulch.

You'll be immersed in a breathtaking Hawaiian old-growth jungle, with frequent views of the Pacific Ocean as the road runs close to the shore. The route offers stunning vistas of Onomea Bay and takes you through lush rainforests and open green lands. You'll also spot remnants of old sugar mills and cross historic bridges like the Kawainui Stream Bridge.

The Hilo area is known for its rain, so while the route can be enjoyed year-round, it's wise to be prepared for potential downpours regardless of the season. Generally, the drier months (May to October) might offer more consistent weather, but rain can occur at any time. Always check the local weather forecast before heading out.

Yes, particularly on the north side of the loop near Pepeekeo, you'll find local cafes. These spots offer refreshments like smoothies, bagels, and fruit, providing a great opportunity to take a break and support local businesses.

Key highlights include cycling along the historic Old Mamalahoa Hwy itself, which is a scenic drive. You'll also pass by the beautiful Onomea Bay and cross the charming Kawainui Stream Bridge. The route is dotted with remnants of old sugar mills and offers continuous jungle and ocean views.

Yes, the route also passes through sections of the Onomea Bay Trail and Onomea Road.

As this is primarily a road cycling route on public roads, dogs are generally permitted if they are safely secured (e.g., in a bike trailer or basket) and adhere to local leash laws and regulations. However, always be mindful of traffic and other cyclists, and ensure your dog is comfortable with the activity.

No, there are no specific permits or entrance fees required to cycle the Hilo to Old Mamalahoa Hwy loop, as it utilizes public roads. You are free to enjoy the scenic ride without any special permissions.

The Hilo area is known for its frequent rainfall, so it's advisable to be prepared for wet conditions, even on sunny days. Bring rain gear, and consider wearing moisture-wicking clothing. The temperatures are generally warm and humid year-round.