Diamond Head State Monument's ridgeline is one of the most recognizable features of O'ahu's skyline, not to mention home to one of the island's most scenic hiking trails. Though the 0.8-mile hike ...

Make Reservations for Popular Hikes – Hiking is an incredibly popular activity in Oahu. Therefore, some trails – like Diamond ...

From the trail you can see the volcanic Lē'ahi (also called Diamond Head), downtown Honolulu, the Ko'olau Range and other peaks. The trailhead is easily accessible with parking available at the ...