Waineku Reservoir   Be the first to submit input for Waineku Reservoir. If you have info on Waineku Reservoir, Hawaii County, Hawaii please submit it here to improve this web site.          These outdoors activities are available near Waineku Reservoir.   Lakes Near Waineku Reservoir: Lake Waiau, Hawaii County, 19 miles away   Public Lands Near Waineku Reservoir: Mauna Kea State Park, Hawaii, 17 miles away Lapakahi State Historical Park, Hawaii, 26 miles away 'Akaka Falls State Park, Hawaii, 30 miles away Hawaii Volcanoes National Park, Hawaii Volcanoes National Park - HI, 49 miles away   Hotels Near Waineku Reservoir: Castle Waimea Country Lodge, Kamuela, Big Island, 11 miles away Hapuna Beach Prince Hotel, Kohala Coast, Big Island, 21 miles away Mauna Kea Beach Hotel, Kohala Coast, Big Island, 21 miles away Paniolo Greens at Waikoloa, Waikoloa, Big Island, 23 miles away Kolea at Waikoloa, Waikoloa, Big Island, 23 miles away   Hiking Trails Near Waineku Reservoir: Waimanu Trail, Hawaii County, 6 miles away        12.4 hiking miles, 1374 feet elevation difference Puako-Waimea Trail, Hawaii County, 17 miles away        3.6 hiking miles, 164 feet elevation difference Mauna Kea Umikoa Trail, Hawaii County, 19 miles away       7 hiking miles, 3631 feet elevation difference