What 64.4 mi long stretch of Hawaii Routes 36 and 360 which connects Kahului with the town of Hāna in east Maui, contains 11-acre nature preserve Spirit of Aloha Oceanfront Botanical Garden? 
Spirit of Aloha Oceanfront Botanical Garden: The Spirit of Aloha Oceanfront Botanical Gardens also referred to as "The Gardens", is an 11-acre nature preserve located just off the Hana Highway on in Haiku, Hawaii on the island of Maui. Hana Highway: The Hāna Highway is a 64.4 mi long stretch of Hawaii Routes 36 and 360 which connects Kahului with the town of Hāna in east Maui.
Hana Highway