Puainako Reservoir   Be the first to submit input for Puainako Reservoir. If you have info on Puainako Reservoir, Hawaii County, Hawaii please submit it here to improve this web site.          These outdoors activities are available near Puainako Reservoir.   Lakes Near Puainako Reservoir: Lokowaka Pond, Hawaii County, 5 miles away   Public Lands Near Puainako Reservoir: 'Akaka Falls State Park, Hawaii, 11 miles away MacKenzie State Park, Hawaii, 23 miles away Mauna Kea State Park, Hawaii, 28 miles away Hawaii Volcanoes National Park, Hawaii Volcanoes National Park - HI, 22 miles away   Hotels Near Puainako Reservoir: Hilltop Legacy Retreat, Hilo, Big Island, 2 miles away Aaron's Cottage, Hilo, Big Island, 2 miles away The Inn at Kulaniapia Falls, Hilo, Big Island, 2 miles away Hilo Seaside Hotel, Hilo, Big Island, 3 miles away Castle Hilo Hawaiian Hotel, Hilo, Big Island, 3 miles away   Hiking Trails Near Puainako Reservoir: Maulua Trail, Hawaii County, 18 miles away       1 hiking miles, 89 feet elevation difference Hilo Trail, Hawaii County, 19 miles away       11.5 hiking miles, 1191 feet elevation difference