Niulii Reservoir   Be the first to submit input for Niulii Reservoir. If you have info on Niulii Reservoir, Honolulu County, Hawaii please submit it here to improve this web site.          These outdoors activities are available near Niulii Reservoir.   Public Lands Near Niulii Reservoir: Wahiawa Freshwater State Park, Hawaii, 9 miles away Ka'ena Point State Park, Hawaii, 11 miles away 'Aiea Bay State Recreation Area, Hawaii, 15 miles away   Marinas On or Near Niulii Reservoir: Ko Olina Ocean Marina, Kapolei, 6 miles away   Camp Grounds Near Niulii Reservoir: Camp Timberline, Kapolei, 7 miles away   Hotels Near Niulii Reservoir: JW Marriott Ihilani Ko Olina Resort & Spa, Kapolei, Oahu, 6 miles away Marriott's Ko Olina Beach Club, Kapolei, Oahu, 6 miles away Ko Olina Beach Villas Resort, Kapolei, Oahu, 7 miles away Ohana Honolulu Airport Hotel, Honolulu, Oahu, 17 miles away Best Western The Plaza Hotel, Honolulu, Oahu, 17 miles away   Hiking Trails Near Niulii Reservoir: Honouliuli Contour Trail, Honolulu County, 4 miles away       4.9 hiking miles, 1237 feet elevation difference Dupont Trail, Honolulu County, 6 miles away        13.4 hiking miles, 4021 feet elevation difference Mokuleia Trail, Honolulu County, 8 miles away        10 hiking miles, 2225 feet elevation difference   Golf Courses Near Niulii Reservoir: Ko Olina Resort & Marina Honolulu, Kapolei, 6 miles away