Red Hill
1. Cinder cone; dive site, Kainaliu, Hawaiʻi. Puʻu Ohau, the 230-foot cinder cone between Kealakekua and Kealahou Bays, is primarily red lava, so fishermen, divers, and other boaters call it Red Hill. The dive site Red Hill is an area name that includes many individual sites between Keikiwaha and Keawakāheka Points, with a variety of large caverns and lava tubes at 25 to 70 feet: Boatwreck Reef, Deep Reef, Domes, Fantasy Reef, Hammerhead Point, Long Lava Tube, Northern Lights, Spiral Lava Tube, and White Tip Condos. 2. Dive site, North Kohala, Hawaiʻi. Off Puʻu ʻUlaʻula at 40 feet, north of Waiakaʻīlio Bay. Puʻu ʻUlaʻula means "red hill." 3. Point, Pīlaʻa, Kauaʻi. East point of Pīlaʻa Beach. Soil erosion on the point has exposed large sections of red dirt, giving the point its popular name. 4. Dive site, littoral cone, Mākena, Maui. Puʻu Ōlaʻi at the north end of Mākena State Park is called Red Hill for the red cinder on its slopes. The dive site is off the base of the hill at 40 feet. 5. Point, Kahului, Maui. The small point near the west end of the Maui Country Club. The ocean is eroding the point, which is primarily red dirt.