Popular introductory hikes in Honolulu include Diamond Head (Lēʻahi) State Monument for its panoramic coastal views and relatively short distance, and Manoa Falls Trail, which offers a lush rainforest setting ending at a waterfall. Koko Crater Railway Trail is another well-known option, but it is more strenuous due to the steep incline. For coastal scenery with moderate difficulty, the Makapuʻu Point Lighthouse Trail is a paved route with excellent ocean and lighthouse vistas. These trails are widely recognized, well-marked, and heavily used, making them good starting points for first-time visitors who want established routes and clear wayfinding.

To locate scenic yet less crowded trails, consult local hiking resources such as the Hawaiian Trail and Mountain Club, Honolulu-based hiking guidebooks, and region-specific apps or websites that allow filtering by popularity. Look for trails listed in neighborhoods outside the main tourist zones, such as parts of the Koʻolau Range accessed from residential valleys. Early morning weekday hikes typically offer fewer crowds, even on popular routes. Additionally, speaking with local outdoor shops, visitor information centers, or park rangers can provide up-to-date recommendations on quieter alternatives and any current access or parking restrictions that might limit overall trail traffic.

When selecting a hike, review the trail length, elevation gain, terrain type, and expected weather conditions. In Honolulu, many trails can be steep, muddy, and slippery after rain, particularly in the rainforest and ridge areas. Always check whether the route is officially sanctioned and maintained, as some ridge and waterfall trails may be on restricted or hazardous terrain. Match the trail’s difficulty rating to your fitness level and experience with uneven surfaces, exposure, and heat. Plan to carry sufficient water, sun protection, and footwear with good traction. It is also wise to verify recent trail reports for closures, landslides, or flooding and, when in doubt, choose more established, well-maintained paths over unmarked or social trails.

Reliable hiking information can be obtained from the Hawaiʻi Department of Land and Natural Resources and State Parks websites, which list official trails, regulations, and closures. Reputable hiking guidebooks focused on Oʻahu often include detailed maps, elevation profiles, and safety notes. Digital mapping platforms and hiking apps that provide offline maps, GPX tracks, and user reviews are valuable, but should be cross-checked with official sources to confirm legality and current conditions. Local visitor information centers, park offices, and outdoor retailers in Honolulu can also supply printed maps, recent trail updates, and tailored recommendations based on your ability and time available.

Hikers in Honolulu should respect both environmental regulations and local cultural values. Stay on designated trails, pack out all trash, and avoid disturbing plants, wildlife, and archaeological or cultural sites. Some areas hold deep cultural and spiritual significance to Native Hawaiians, so signs indicating restricted access or kapu (forbidden) areas should be strictly honored. Observe posted rules regarding parking, hours of access, and private property boundaries to avoid trespassing. It is also courteous to keep noise levels low, yield to uphill hikers, and avoid blocking narrow paths or viewpoints. By following Leave No Trace principles and acknowledging local customs, you help preserve Honolulu’s trails and landscapes for residents and future visitors.