Waimano Upper and Lower Loop Trail

The Waimano Upper and Lower Loop Trail is an 8.3 km (5.2 miles) loop that generally takes around 3 to 4 hours to complete. This duration can vary based on your pace and how much time you spend exploring the unique features along the way.

The trail offers a diverse experience. The Lower Waimano Trail section follows an old jeep road through a dense forest, often muddy, especially after rain, and involves stream crossings. The Waimano Ridge Trail (Upper section) largely follows a ridgeline, featuring steep hills, sections alongside a ditch, and even tunnels. Expect obstacles like felled trees and tall weeds in places.

Absolutely! A distinctive feature of this trail is the presence of several old irrigation tunnels, up to ten in total. You'll need a light to explore them, but bypasses are available. The upper sections offer spectacular views of the Waimano Valley, and at certain points, you can glimpse Pearl City and the Pacific Ocean. Reaching the summit can even reward you with views of Oʻahu's windward side. Don't miss the Boy Scout Rest Hut in Ewa Forest Reserve.

Parking is available at the end of Waimano Home Road. However, please be aware that petty theft has been reported in the area, so it's advisable to take precautions and not leave valuables visible in your vehicle.

The Waimano Upper and Lower Loop Trail is generally considered beginner to intermediate difficulty. While some sections are relatively easy, the trail can be muddy, involve stream crossings, and has steep hills and cliff-side areas on the upper ridge. It's best for those with some hiking experience or beginners looking for a moderate challenge.

It's strongly advised not to hike this trail during or immediately after heavy rains due to the risk of flash flooding and extreme mud, especially in the lower sections. The drier months would be ideal for a more enjoyable and safer experience.

The Waimano Upper and Lower Loop Trail is located within the Ewa Forest Reserve. Generally, permits are not required for day hiking on established trails in Hawaii's public forest reserves. However, it's always a good idea to check the official Hawaii Department of Land and Natural Resources website (hawaii.gov) for the most current regulations before your visit.

While dogs are often permitted on trails in Hawaii's forest reserves, it's crucial to keep them on a leash. Also, be aware that the trail traverses a public hunting area, so wearing bright clothing for both yourself and your dog is recommended for safety.

Given the varied terrain and potential for mud and tunnels, you should bring sturdy hiking shoes, plenty of water, snacks, sun protection, and insect repellent. A headlamp or flashlight is essential if you plan to explore the tunnels. Wearing bright clothing is also recommended as it's a public hunting area.

Yes, the route incorporates significant sections of both the Lower Waimano Trail and the Waimano Ridge Trail, which are official trails within the Ewa Forest Reserve.

The trail passes through a dense forest with native and non-native vegetation. While specific wildlife sightings can vary, you might encounter various bird species. Remember, it's also a public hunting area, so be mindful of your surroundings and wear bright colors.