2.5
(3)
28
hikers
06:06
15.7km
580m
Hiking
Hike the difficult 9.8-mile Manana Ridge Trail in Ewa Forest Reserve for panoramic Oahu views and a challenging adventure.
Last updated: February 26, 2026
Tips
Your route passes through a protected area
Please check local regulations for:
Ewa Forest Reserve
Waypoints
Start point
Get Directions
1.15 km
Highlight • Forest
Tip by
2.56 km
Highlight • Viewpoint
Tip by
3.06 km
Highlight • Viewpoint
Tip by
4.53 km
Highlight (Segment) • Trail
Tip by
15.7 km
End point
Way Types & Surfaces
Way Types
15.6 km
Surfaces
15.6 km
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Elevation
Highest point (770 m)
Lowest point (270 m)
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Weather
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Today
Tuesday 2 June
27°C
22°C
36 %
Additional weather tips
Max wind speed: 19.0 km/h
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This route was planned by komoot.
The full out-and-back hike typically takes around 6 to 8 hours to complete, covering approximately 15.7 km (9.75 miles). This duration accounts for the challenging terrain and elevation changes.
No, this trail is considered difficult and is best suited for experienced hikers with good physical condition. It features rough, uneven terrain, steep sections, and can be muddy. Some parts even require rope assistance.
The trail begins in the Ewa Forest Reserve. Parking is usually available near the trailhead, often in residential areas adjacent to the reserve. It's advisable to arrive early, especially on weekends, to secure a spot.
Generally, there are no specific permits or entrance fees required to hike the Manana Ridge Trail within the Ewa Forest Reserve for day use. However, always check local regulations before your visit, as policies can change.
The best time to hike is during Oahu's drier months, typically from April to October, to avoid the mud and slippery conditions that can occur during the rainy season. Clear days offer the most spectacular panoramic views.
Information regarding dogs on this specific trail can vary. It's best to check with the local Ewa Forest Reserve authorities or relevant Hawaiian trail organizations for the most current rules on bringing dogs, including leash requirements.
Hikers are treated to spectacular panoramic views of Oahu, including the Koolau Mountain Range, Pearl City, and the windward coast. The trail traverses diverse ecosystems, from dryland to rainforest, with lush forests, native Hawaiian plants, and unique volcanic rock formations. You'll find a Viewpoint and a Picnic Table offering great spots to take in the scenery.
Beyond the stunning views, you'll find diverse flora like Strawberry Guava. The trail is known for its journey deep into the Koolau Mountain Range, leading to the Koolau Summit Trail. There are benches, viewpoints, and even a shelter with a flat camping site. A short detour can also lead to Waimano Waterfall.
The terrain is highly varied and challenging. It starts with potentially paved sections, transitioning to dirt, clay, and grass, then becoming rougher with roots, rocks, and often muddy surfaces. There are numerous steep inclines, and some sections feature ropes to assist with climbs. The trail becomes more overgrown and challenging as you venture deeper.
Yes, the route is primarily the Manana Ridge Trail itself, but it also passes through sections of the Waimano Falls Trail, offering a potential detour to the waterfall.
Given the trail's difficulty and length, pack plenty of water, snacks, sun protection (hat, sunscreen), insect repellent, and a first-aid kit. Sturdy hiking boots with good grip are essential. Long pants are recommended to protect against scratchy plants in overgrown areas, and gloves can be helpful for rope sections.
Be prepared for significant mud, especially after rain, and wear appropriate footwear. The trail can be overgrown, so long pants are advisable. The rope sections require good upper body strength and caution. While challenging, it's often less crowded than other Oahu hikes, offering a more secluded experience. Always check weather conditions before heading out.