Old Mamalahoa Highway

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.

Old Mamalahoa Highway Overview

  • Narrow and winding road along the Hamakua Coast
  • Scenic views and points of interest along the way

Old Mamalahoa Highway, Big Island

Directions: From Hilo, drive north on Hawaii Belt Road (Route 19) for about 5 miles (8 km), then turn right onto Old Mamalahoa Hwy.

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