Diamond Head State Monument

Off Diamond Head Road between Makapuçu Avenue and 18th Avenue, Kaimukï.

• Hawai’i's most famous landmark and a National Natural Landmark, Lë‘ahi (Diamond Head) is a large tuff cone that was formed by a short series of explosive eruptions some 100,000 years ago.  
• Picnicking meadow.  
• Moderate family hike of 0.7 miles (one-way) to the summit offers a panoramic view of Honolulu and Waikïkï.
• Trail is uneven and bring a flashlight for the dark tunnels.  
• Gate is open 6:00am to 6:00pm.  
• Covers 475 acres.