Old Mamalahoa Highway
Old Mamalahoa Highway is a scenic coastal road along the Hamakua Coast north of Hilo. This lush 4-mile stretch winds through tropical rainforest and offers sweeping views of Onomea Bay and access to the Hawaii Tropical Botanical Garden, making it one of the most picturesque drives on the Big Island.
Old Mamalahoa Highway, Big Island
The Old Mamalahoa Highway on the Big Island's Hamakua Coast is a narrow and winding coastline road that begins about 5 miles (8 km) north of Hilo. The 4-mile (6.4 km) stretch until the Hawaii Tropical Botanical Garden are breathtaking. The vegetation is very lush and there is a great lookout point along the way, right before you reach the botanical garden. It overlooks Onomea Bay and the surrounding rainforest.
Key Features of Old Mamalahoa Highway
- Scenic rainforest drive: Lush foliage, ocean views, and a peaceful rural vibe
- Access to attractions: Leads to Hawaii Tropical Botanical Garden and Onomea Bay
- Historic route: Once part of the original Belt Road before modernization
- Lookout point: Excellent photo spot with views of Onomea Bay and cliffs
- Narrow and winding: Drive with caution on this one-lane coastal road
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Frequently Asked Questions
Where does Old Mamalahoa Highway begin?
It begins about 5 miles north of Hilo, off Hawaii Belt Road (Route 19), and runs northward along the coast.
What attractions can I access from this road?
The Hawaii Tropical Botanical Garden and Onomea Bay overlook are directly accessible from the drive.
Is the road suitable for all vehicles?
Yes, but it's narrow and winding, so drivers should go slowly and watch for oncoming traffic.
Are there good photo spots?
Yes, the lookout near the botanical garden offers breathtaking views of Onomea Bay and the rainforest coast.
How long is the scenic portion?
The most scenic stretch is approximately 4 miles (6.4 km), ending near the entrance to the botanical garden.