Field Name: Royal Summit
Location: Oahu Hawaii, Pearl City. Just continue up Kaahele street, (the main one with Dave's Icecream and L&L Drive Inn, The driving range, and the Newtown Rec Center) all the way up to the top. Just go around the chain link fence (theres a path to the right of it and continue up the mountain)
hours of operation: N/A
Type of field: Woodlands/Speedball (I think someone might have torn down the speedball field, but playing woodsball up there is still pretty fun)
Edit: It's been closed. Do not play at this field.