26 Best Hikes In Oahu, Hawaii

Oahu, known as “The Gathering Place,” is a paradise for hikers, offering an incredible variety of trails that showcase the island’s natural beauty. From lush rainforests to rugged coastlines, and from volcanic craters to panoramic ridge lines, Oahu’s hiking trails cater to all skill levels. Here are 26 of the best hikes in Oahu, Hawaii, each offering a unique experience in this tropical wonderland.

1. Diamond Head Crater

One of Oahu’s most iconic hikes, Diamond Head Crater offers stunning panoramic views of Waikiki and Honolulu. The trail is relatively short but steep, with a series of switchbacks, stairs, and a tunnel leading to the summit. The reward is an unmatched view of the island’s coastline.

2. Makapu’u Lighthouse Trail

This family-friendly hike on the eastern tip of Oahu offers breathtaking views of the Pacific Ocean and, during the winter months, the opportunity to spot humpback whales. The paved trail leads to the historic Makapu’u Lighthouse, with several lookout points along the way.

3. Koko Crater Railway Trail

For those looking for a challenge, the Koko Crater Railway Trail is a steep and strenuous hike that follows an old railway line up the side of Koko Crater. The hike is tough but rewards you with panoramic views of the southeastern coastline and the Pacific Ocean.

4. Manoa Falls

A short hike through a lush rainforest leads to the 150-foot Manoa Falls, a beautiful waterfall surrounded by tropical vegetation. The trail is well-maintained and relatively easy, making it a popular choice for families and those looking for a leisurely walk in nature.

5. Ka’ena Point Trail

Ka’ena Point Trail offers a unique coastal hike on the westernmost tip of Oahu. The trail follows an old dirt road along the coast, offering stunning ocean views and the chance to spot native Hawaiian seabirds at the Ka’ena Point Natural Area Reserve.

6. Lanikai Pillbox (Ka’iwa Ridge Trail)

The Lanikai Pillbox hike is a popular sunrise hike that offers spectacular views of Lanikai Beach and the Mokulua Islands. The trail is short but steep, with two WWII-era pillboxes at the top that serve as excellent vantage points.

7. Olomana Three Peaks

The Olomana Trail, also known as the Three Peaks, is one of the most challenging hikes on Oahu. The trail involves steep ascents, rock scrambling, and narrow ridges, but the views from the top of each peak are absolutely breathtaking.

8. Waimea Valley Trail

Waimea Valley is not only a beautiful botanical garden but also offers a gentle hike to Waimea Falls. The trail is well-maintained and leads through lush tropical gardens to the waterfall, where you can take a refreshing swim.

9. Kuliouou Ridge Trail

The Kuliouou Ridge Trail is a moderately challenging hike that offers stunning views of the Ko’olau Mountain Range and the eastern coastline. The trail ascends through a forested area before reaching a ridge with panoramic vistas.

10. Maunawili Falls

This hike through the Maunawili Valley leads to a beautiful waterfall with a natural pool at the base. The trail can be muddy and involves crossing streams, but the reward is a refreshing swim in the waterfall’s pool.

11. Ehukai Pillbox Hike

Also known as the Sunset Pillbox Hike, this trail offers panoramic views of the North Shore, including famous surf spots like Pipeline and Sunset Beach. The trail is short but steep, with two pillboxes at the top that offer excellent photo opportunities.

12. Wiliwilinui Ridge Trail

The Wiliwilinui Ridge Trail is a moderately strenuous hike that offers stunning views of the Ko’olau Range and the Honolulu skyline. The trail involves several steep sections, including a series of staircases, but the views from the summit are worth the effort.

13. Makiki Valley Loop Trail

This loop trail in the Makiki Valley offers a peaceful hike through a lush rainforest. The trail is well-maintained and relatively easy, making it a great option for a leisurely walk in nature close to downtown Honolulu.

14. Kanealole Trail (Makiki Valley Trail System)

Part of the Makiki Valley Trail System, the Kanealole Trail is a moderate hike that takes you through a dense rainforest and up to the ridge line, offering views of the surrounding valleys. The trail is shaded and relatively cool, making it a pleasant escape from the city.

15. Lulumahu Falls

This hike takes you through a bamboo forest to the hidden Lulumahu Falls, a beautiful waterfall tucked away in the mountains above Honolulu. The trail is not officially maintained and can be tricky to navigate, but the secluded waterfall is worth the effort.

16. Pali Puka

The Pali Puka hike is a short but challenging trail that offers incredible views from a narrow ridge above the Pali Highway. The trail is steep and exposed, with sheer drops on either side, making it a thrilling adventure for experienced hikers.

17. Aiea Loop Trail

Located in the Keaiwa Heiau State Recreation Area, the Aiea Loop Trail is a moderate hike that offers scenic views of the Hālawa Valley and the Ko’olau Mountains. The trail is well-maintained and takes you through a forest of eucalyptus and Norfolk pine trees.

18. Pu’u Ma’eli’eli Pillbox Hike

This lesser-known pillbox hike on the windward side of Oahu offers stunning views of Kāne’ohe Bay and the Ko’olau Mountains. The trail is relatively short but involves a steady climb through a forested area before reaching the pillboxes at the top.

19. Makapu’u Tom-Tom Trail

The Tom-Tom Trail offers a more challenging alternative to the Makapu’u Lighthouse Trail, with stunning ridge-top views of the southeastern coastline. The trail is steep and exposed, making it suitable for experienced hikers looking for a less-crowded option.

20. Ka’au Crater Trail

This challenging hike takes you to the summit of Ka’au Crater, offering stunning views of the crater, waterfalls, and the surrounding Ko’olau Mountains. The trail is steep and involves rock scrambling, but the scenery is some of the most beautiful on Oahu.

21. Koko Head Crater Arch

The Koko Head Crater Arch hike is a short but adventurous trail that takes you to a natural rock arch with stunning views of the southeastern coastline. The trail involves some scrambling and is not well-marked, but the views are worth the effort.

22. Pu’u Pia Trail

The Pu’u Pia Trail is a moderate hike in the Mānoa Valley that offers beautiful views of the valley and the Ko’olau Mountains. The trail is relatively short and shaded, making it a great option for a leisurely hike.

23. Hanauma Bay Ridge Hike

This off-the-beaten-path hike offers stunning views of Hanauma Bay, Koko Head, and the southeastern coastline. The trail is relatively easy and follows a ridge line, providing panoramic views of the ocean and the surrounding area.

24. Pu’u O Hulu (Maili Pillbox)

This hike on the western side of Oahu offers panoramic views of the Waianae Coast and the Pacific Ocean. The trail is short but steep, with a series of pillboxes at the top that provide excellent vantage points for photos.

25. Kaneana Cave and Makua Cave

This unique hike takes you to two sacred Hawaiian caves on the western side of Oahu. The Kaneana Cave, also known as the Mermaid Cave, is located near the beach, while the Makua Cave is a short hike up the mountainside. Both caves offer a fascinating glimpse into Hawaiian mythology and history.

26. Moanalua Valley Trail (Haiku Stairs Alternative)

The Moanalua Valley Trail is a legal alternative to the famous (and now closed) Haiku Stairs, offering a challenging hike to the same summit with panoramic views of the island. The trail is long and strenuous, with steep sections and narrow ridges, but the views from the top are incredible.

Conclusion

Oahu’s diverse landscape offers a hiking experience for every level of adventurer. Whether you’re seeking a leisurely stroll through lush rainforests, a challenging ascent to a stunning viewpoint, or a cultural journey to a sacred site, these 26 hikes showcase the best that Oahu has to offer. Each trail provides an opportunity to connect with the island’s natural beauty and to create lasting memories in one of the world’s most beautiful destinations.