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Aiea Ridge
The Aiea Ridge Trail is an intermediate to advanced hike depending on how far you choose to go. Some may even opt to hike less than a third of the Aiea Loop hike with us then leave us at the ridge junction and continue on the loop for a novice hike. Those up for an intermediate hike (about 7 miles roundtrip) may opt to hike to the first large plateau / helicopter landing field. This will give you a full view of the leeward side H3 highway and views of Pearl Harbor and the Wahiawa plain. Those who wish to continue will ascend Mt. Kaiwipo'o (elevation 2,441 ft), and beyond to a 2nd large plateau / helicopter landing field on the Ko'olau Summit Trail. From here, on a clear day, we will be able to see the windward side. Just a little further eastward along the KST, we will come to the Ko'olau summit (elevation 2,805 ft) with sweeping views of both sides of the island with the Valley of Temples on the windward side directly below. This hike is rated HARD due to some slippery and difficult terrain, very narrow portions of the trail, steep climbs, 7 hr duration, 1800 ft ascent, and 9.5 mile distance. Bring lots of water! Type: Ungraded and ridge trail; out and back Length: About 9.5 miles Elevation gain: 1,800 ft Location: Aiea Duration: 7 hours. Difficulty: Easy hike or a challenging test of endurance depending on how far you go. Dangers: Some slippery conditions and narrow ridge sections Recommendations: Hat, sunscreen, long pants, shoes with good grip, microspikes (, bug repellant, cell phone, personal first aid kit including moleskin (for blisters), 3-4 liters of water, food. Meeting place: UPPERMOST parking lot near trailhead Disclaimer: If you join us for a hike, please understand that you are responsible for your own preparedness and well-being and will hold no one else liable in case of injury or mishap. Read the full disclaimer here (

Aiea Loop (Keaiwa Heiau State Recreation)

99-1849 Aiea Heights Dr · Aiea, HI

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What we're about

Explore Hawai'i, enjoy the tropical ambiance and get a fitness experience! We organize hikes for all skill levels. You should join if you enjoy hiking, the outdoors and meeting new people. It's a good idea to go hiking with a group, as hiking on Oahu can be dangerous.

The Mission of The Hawai'i Hiking Group is to safely introduce members and guests to the beauty and fun of the hiking and outdoor fitness experience in Hawai'i.

For safety reasons, we require each member to use a recognizable portrait of themselves for their profile photo. Please visit this page for more guidance: Profile Photo Guidelines (

On Oahu, we all benefit through the wealth of open-access trails. Each time we adventure outside we recognize the trail system was put in place by volunteers and needs maintenance. We will help sponsor groups that do this maintenance through our dues. Dues are only $12 a year! Your dues go to maintain the trail system, to purchase safety gear for the hike leaders, and to pay the costs of It's a good deal because we do more hikes on Oahu than any other hiking organization. We generally hike as a group and try our best to make sure members do not get left behind on our hikes.


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