Discovering The Hidden Gems Of Oahu: Wiliwilinui Hiking Trail

Wiliwilinui Hiking Trail

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Are you looking for a challenging and rewarding hike that offers breathtaking views of Oahu’s lush greenery and panoramic vistas? Look no further than the Wiliwilinui Hiking Trail! This hidden gem, nestled in the beautiful Honolulu neighborhood of Hawaii Kai, offers a unique and unforgettable hiking experience that’s perfect for both seasoned hikers and beginners alike.

In this article, we’ll take a closer look at the Wiliwilinui Hiking Trail, exploring its history, the trail’s highlights, and what you can expect on your journey. So, grab your hiking shoes, let’s hit the trail!

History of Wiliwilinui Hiking Trail

The Wiliwilinui Hiking Trail was originally built in the early 1900s as part of the U.S. military’s defense system during World War II. The trail was designed to provide access to military installations on the ridge line, including the bunkers and communication equipment necessary for defense.

After the war ended, the trail remained unused until the early 2000s when the city of Honolulu acquired the land and began making improvements to the trail, including widening the trail and adding stairs and handrails to make it more accessible to the public.


The Trail Highlights

1. The Journey to the Top

The Wiliwilinui Hiking Trail is a 4.5-mile round-trip hike that ascends nearly 1,700 feet to the top of Mount Wiliwilinui. The trail offers a challenging, but rewarding journey through lush, tropical rainforests and offers stunning views of the surrounding mountains and ocean. Along the way, you’ll encounter switchbacks, steep inclines, and some narrow sections, but the breathtaking views make it all worth it.

2. The Flora and Fauna

The Wiliwilinui Hiking Trail is home to a diverse array of flora and fauna, including towering eucalyptus trees, wildflowers, and a variety of birds, including the Hawaiian honeycreeper. You may even spot some wild pigs and goats along the way!

3. The Panoramic Views

As you make your way to the top of Mount Wiliwilinui, you’ll be rewarded with stunning panoramic views of Oahu’s lush greenery and sparkling ocean waters. On a clear day, you can see as far as Diamond Head and Waikiki Beach.

4. The Bunkers and Communication Equipment

Along the trail, you’ll also come across a few remnants of the U.S. military’s defense system, including old bunkers and communication equipment. These historic artifacts offer a glimpse into the trail’s past and serve as a reminder of the important role it played in protecting our country.

Tips for Hiking Wiliwilinui Trail

Before hitting the trail, here are a few tips to help you prepare for your journey:

  • Wear sturdy hiking shoes with good traction.
  • Bring plenty of water and snacks.
  • Start early in the day to avoid the heat and humidity.
  • Wear sunscreen and a hat to protect yourself from the sun.
  • Take your time and enjoy the journey!


The Wiliwilinui Hiking Trail offers a unique and unforgettable hiking experience that’s perfect for those looking for a challenge and stunning views of Oahu’s natural beauty. Whether you’re a seasoned hiker or a beginner, this trail is definitely worth adding to your hiking bucket list.


  1. Is the Wiliwilinui Hiking Trail suitable for beginners?
  • While the trail is challenging, beginners can still hike it as long as they are in good physical condition and take their time. It’s important to wear appropriate hiking gear and bring enough water and snacks.
  1. Can I bring my dog on the trail?
  • Unfortunately, pets are not allowed on the Wiliwilinui Hiking Trail. The trail is located in a conservation area, and bringing pets could potentially harm the local wildlife and vegetation.
  1. Are there any restroom facilities on the trail?
  • No, there are no restrooms or water fountains along the trail. Make sure to bring plenty of water and use the restroom before starting the hike.
  1. Is the trail open year-round?
  • Yes, the trail is open year-round, but it’s important to note that weather conditions can impact the trail’s accessibility. It’s best to check the forecast and trail conditions before heading out.
  1. Are there any fees to hike the trail?
  • No, there are no fees to hike the Wiliwilinui Hiking Trail. It’s free and open to the public, but donations to support the upkeep of the trail are always appreciated.

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