Description - O'ahu's state parks protect a variety of natural and historic features that support many different activities. The 23 parks on O'ahu include, monuments, wayside areas and recreation areas.
- The state parks protect a wide variety of natural, historical and cultural resources, including Diamond Head cone, 'Iolani Palace, eucalyptus groves and Hawaiian-built fishponds. The State Park properties also offer public access to beaches, wildlands, trails, picnic grounds, campgrounds, cabins and more.
Recreation - Recreation opportunities in O'ahu's State Parks is as diverse as the flora and fauna on the island. Most of the activities in all of Hawaii's State Parks focus around water sports, and peak times for different sports change with the seasons. Picnicking, swimming, snorkeling, scuba diving and body surfing are a few of the recreation pursuits visitors can enjoy in this beautiful location.
Climate - The climate is pleasantly mild on O'ahu throughout the year. Temperatures vary annually between 60 and 90 degrees F. Summer temperatures range from 68 to 82 degrees F with the water usually near 80 degrees. Winter temperatures vary from 61 to 80 degrees F with the water temperature close to 77 degrees. More rainfall occurs during the winter than other seasons of the year and most of it falls on the northeastern or windward portion of the island.
The State Parks on O'ahu are scattered throughout the island, but the highest concentration of facilities lies along the eastern coast of the island.. See the individual park descriptions for locations.