A Garden in a valley just outside of Hilo (north side) on the ocean on the senic route at Onomea Bay.    Phone 808-964-5233;  email: htbg@ilhawaii.net  27-717 Old Mamalahoa Highway, P.O. Box 80, Papakkou, HI  96781.  The entrance of the trail to the garden is 120 feet above sea level.  The trail down into the garden is 500 feet long and quite steep.  It will take "approximately 2 hours to walk all the trails and enjoy the beauty of the garden.  Umbrellas are provided free at gate or rain shelters.  Cost: ca. $15/person.