Difficulty
Moderate
Trail Length
2.4 miles
Trail Type
Out And Back
Elevation Gain
350 ft
About Aimoo Falls
Aimoo Falls is a tucked-away cascade set within the Kohala Forest Reserve on Hawaiʻi Island, managed by the State Department of Land and Natural Resources (SDNR). Nestled in a lush tropical setting, the falls are a quieter alternative to better-known island attractions, offering a peaceful spot to enjoy forest shade and the sound of falling water. Specific measurements for the falls’ height are not well documented, which adds to its off‑the‑beaten‑path appeal for explorers who prefer less-trafficked destinations. Access to Aimoo Falls is via SDNR lands designated as an SCA and overseen by the department, so visitors should respect local rules and any seasonal closures. The approach is an engaging, moderately paced hike through native vegetation; because the route is managed by SDNR rather than the U.S. Forest Service, there is no USFS trail number for this site. If you like quiet forest hikes and a bit of discovery, Aimoo Falls rewards visitors with a serene Hawaiian waterfall experience.
The Setting
Aimoo Falls sits at 1,959 feet within Kohala Forest Reserve, fed by the Alakahi Stream, in the hills of Hawaii.
Trail & Hike Details
The Approach
The moderate 2.4-mile out-and-back trail gains 350 feet of elevation on the way to the falls.
Trail Description
Trail length: 2.4 miles (out-and-back). Elevation gain: approximately 350 feet. Difficulty: moderate. Trail type: out-and-back. Official surface, grade, and USFS trail class data are not available for this SDNR-managed route in the Kohala Forest Reserve. Expect a natural forest track with uneven footing; the moderate difficulty rating reflects the steady elevation gain rather than steep technical climbing. Because detailed surface and class information aren’t published, come prepared with sturdy footwear, water, and basic navigation tools, and check with SDNR for any access guidelines before heading out.
What to Expect
Visitors can expect a tranquil environment with lush greenery and the soothing sound of cascading water. However, due to limited information, the conditions of the trail and accessibility may vary.
Accessibility
The trail is not wheelchair accessible. Uneven terrain and elevation changes require steady footing.
Frequently Asked Questions
🐶 Are Dogs Allowed at Aimoo Falls?
❌ Dogs are not allowed
Are There Any Fees or Permits Required?
🆖 No fees required
🏊 Is There Swimming at Aimoo Falls?
❌ Swimming is not allowed
When to Visit
The waterfall may be accessible year-round, but visitors should consider visiting during dry weather to ensure safer trail conditions.
Seasonal Access
The best time to visit is Spring, Summer, Fall, and Winter. Heavy rains during wet season (November through March) bring higher flow but can make trails slippery.
Safety Information
Visitors should be cautious of slippery rocks, sudden weather changes, and unmarked trails. It is recommended to hike with a companion and inform someone of your plans.
Current Water Conditions
5 ft³/s
Current discharge — how much water is flowing
About average for this time of year
Based on 61 years of record
2.06 ft
Water depth at gauge
7-Day Discharge Trend
What does this mean for your visit?
Flow is about average for this time of year.
About This Gauge
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Weather Forecast
Location & Access
Getting There
The exact location and directions to Aimoo Falls are not widely documented. Visitors are advised to consult local guides or resources for accurate directions.
Get Directions on Google MapsParking
Parking availability is unclear. It is recommended to check with local authorities or nearby facilities for parking options.
Elevation
1959 feet above sea level
Coordinates
20.094002° N, -155.620241° W
Land Management
Managed by SDNR
Visitor Tips & Gear
Bring appropriate footwear and supplies, as trail conditions and access details are unclear. It is also advisable to check weather conditions and consult local resources before visiting.
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With 2.4 miles and 350 ft of elevation gain, sturdy boots and trekking poles will help on this moderate trail. Icy conditions are common in winter — traction cleats are a smart addition.
Columbia Watertight II Rain Jacket
Packs into its own pocket, seam-sealed, and keeps you dry from spray and surprise rain.
Earth Pak Waterproof Dry Bag
Keeps your phone and gear dry when waterfall mist soaks everything else.
Waterproof Phone Pouch (AiRunTech)
Cheap insurance — take photos right next to the falls without killing your phone.
Timberland Euro Sprint Mid Waterproof
Trusted waterproof boot with premium leather and grippy rubber sole — reliable on rocky, wet trails.
TrailBuddy Trekking Poles
Lightweight aluminum, cork grips, and flip-locks that actually hold — a best-seller for good reason.
Kahtoola MICROspikes
Cult-favorite traction cleats that grip ice and wet rock — essential for winter waterfall hikes.
Where to Stay
The Westin Hapuna Beach Resort
Fairway Villas Waikoloa by OUTRIGGER
Palm Villas 2 Bed/2 Bath Loft #F22
Hilton Waikoloa Village
Browse vacation cabins and private rentals nearby
Unique outdoor stays — tents, yurts, and treehouses
Rent a campervan or RV for your waterfall road trip
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Nearby Attractions
Nearby attractions are not well-documented, but Hawaii offers numerous natural landmarks and scenic spots worth exploring.
Wildlife
The area may feature typical Hawaiian wildlife, including birds and insects. Visitors should be prepared for encounters with local fauna.
Cities near Aimoo Falls
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