Ka‘ū Coffee Festival: Ka‘ū Mountain Hike & Lunch is Thursday June 6 from 9 a.m. - 2 p.m. from Ka‘ū Coffee Mill through Wood Valley Forest. Hike along historic flume systems of the sugar cane era and learn about the development of hydroelectric power in Ka‘ū. Hike is followed by a delicious lunch prepared with local ingredients. Limited to 30 participants. Cost is $60 per person, which includes lunch. Reserve a spot at (808) 928-0550.