Pack a picnic and enjoy a relaxing family day out at Mauna Kea State Recreation Area. There's loads of space for the kids to run about and get some exercise.
This outdoor recreational space is located in Hamakua. If you're vacationing on a budget, you'll be happy to hear you can visit for free. After exploring Mauna Kea State Recreation Area, head for some nearby attractions. WM Keck Observatory, Puu Huluhulu trail and Lake Waiau will keep you busy.