Introduction to the Hamakua Heritage Corridor: The Hamakua Heritage Corridor is located in the northeast of the Big Island of Hawaii and passes through the lush tropical coastline along the Hamakua Coast. Highways with rainforests, waterfalls and beautiful seaside views. The corridor begins in Hilo and ends at Waipio Valley Lookout. Along the way you'll visit old plantations, moss-covered bridges, spectacular waterfalls and ocean views of Onomea Bay, and explore scenic winding roads.