ʻIao Needle Lookout Trail and Ethnobotanical Loop
Hawaii hikers

**IMPORTANT PARK NOTICES**

Monitor weather reports before your park visit

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[KAUA’I] - UPDATE 4/12/25: Kalalau Trail, Nāpali Coast SWP has REOPENED.  Ha’ena shuttle has RESUMED.

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[MAUI] - UPDATE 4/10/25: Makena State Park\'s northern Black Sand Beach Access Road is CLOSED to vehicular access due to ponding from heavy rains. The road is open to pedestrian access. The 2 southern roads remain open.

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[MOLOKA’I] - UPDATE 3/24/25: Pala’au State Park Pavilion: Due to demolition and renovation work, the pavilion will be closed from March 25 to May 31.

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[KAUAʻI] - UPDATE 3/21/25: Pā‘ula‘ula State Historic Site - Due to construction improvements, the park closure will begin starting March 24 until further notice.

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[OʻAHU] - UPDATE 3/18/25: Mauna ʻAla, Royal Mausoleum State Monument will be undergoing improvements that may temporarily prevent vehicular access. Please check the Royal Mausoleum State Monument website for updates.

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[OʻAHU] UPDATED 3/18/25 – Diamond Head State Monument (DHSM): Full Park Closures will occur Tuesdays through Fridays beginning April 1 to April 11 and also Monday through Thursday April 14 to April 17.  Partial Park Closures Hours with operating hours from 6:00 AM to 2:00 PM will occur on Monday April 7 during this time, and will resume from April 21 onwards Monday through Friday, (except weekends and holidays).   Normal Park Hours from 6:00 AM to 6:00 PM will resume during Spring Break March 17 to March 28, Good Friday Holiday on April 18, and Weekends. During Partial Park Closures Hours from 6:00 AM to 2:00 PM, the last reservation time slot for Parking and Entry and Entry Only will be 12:00 p.m. If you reserved at 12:00 p.m., you must enter the Park no later than 12:30 p.m. or you will be denied entry. The project began January 6, 2025, and will run to July 25, 2025, or upon completion of the rock fall mitigation construction project at the Kahala Tunnel. Please check back for updates.

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[MAUI] UPDATE 3/4/25 - Polipoli Spring State Recreation Area: Beginning April 1, 2025 through April 30, 2025 the park, cabin campgrounds and access road to Polipoli Forest Reserve will be closed due to tree mitigation work. 

ʻIao Needle Lookout Trail and Ethnobotanical Loop

UPDATE: 5/1/23 – ʻIao Valley State Monument has REOPENED.
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*Advance reservations are required for out-of-State residents. Reservations can be made at https://gostateparks.hawaii.gov.
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**Hawai‘i residents with a valid driver’s license or State ID, continue to get into all State Parks free of charge.

Trail Length 0.6 miles
Activity Pedestrian
Difficulty Easy
Terrain Wet Valley
Elevation Gain 200 ft
Park Name ‘Iao Valley State Monument

Description

A paved walking trail provides a scenic viewpoint of Kuka’emoku (‘Iao Needle), an erosional feature which rises 1200 feet from the valley floor. A short paved loop trail meanders though an ethnobotanical garden adjacent to ‘Iao stream.

Route

Trail begins just beyond the park restroom and interpretive signs. The path crosses a bridge over the stream and climbs to the lookout point, where a small shelter is nestled.

Directions

End of ‘Iao Valley Road (Highway 32), ‘Iao Valley.

Additional Info

  • Mountain biking is not allowed on this trail.
  • Stay on the trail.
  • No dogs allowed on this trail.