Exploring Iao Valley and seeing the Iao Needle - Maui, Hawaii
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Iao Valley State Monument - Iao Needle
Iao Valley State Park Guide and hiking around the Iao Needle
Iao Valley is a fun place to spend the day exploring! There are walking and hiking trails, streams to swim in, plenty of wildlife to check out, and the iconic Iao Needle. I went to Iao Valley with my family when I was a kid so I was excited when we were able to go back this past trip! We tried to go in October 2020 but the park was still closed.
Note: The mountains tend to keep in moisture and Iao Valley is known as the second wettest spot in Hawaii. It’s not always sunny, which is nice when it keeps it cool. Be prepared for a little mud if you’re hiking.
How to Get to Iao Valley and Where to Park
Address: 54 S High St, Wailuku, HI 96793
Hours: Daily, 7:00 AM - 6:00 PM
Parking Prices:
Non-Commercial Vehicles
Residents = No Charge w/ID or DL
Non-Residents = $10
Commercial PUC vehicles:
1-7 passenger vehicles: $25
8-25 passenger vehicles: $50
26 + passenger vehicles: $90
Entrance Fee:
As of April 19th, 2021, all non-Hawaii resident visitors to ʻĪao Valley State Monument will be required to purchase an entrance pass as well.
Individuals – Walk-In
Residents = Free w/Hawaii DL or ID
Non-Residents = $5
Children 3 and Under = Free
Iao Valley State Park is located in Wailuku which is on the north side of Maui. Coming from Kaanapali, you can drive around to the valley from the North or South. The drive coming North is scenic but comes down to one lane in certain spots, let’s face it, the south drive is pretty too and a bit faster taking the highways. If you’re heading there from Wailea, just head towards the airport and keep going a bit!
There’s a parking lot that tends to fill up around 10/11am. There is a fee to park on the lot, but if you can find a free spot on the street just before you enter the parking lot. The best time to go is around 8am to get a clear view of the Needle, clouds can form around it in the afternoon obstructing the monument.
There are public restrooms just off the parking lot, although when we went in February they were closed and port-a-potties were set up in the parking lot.
Kahalawai is an old extinct volcano, eroded over the last million years into the West Maui Mountains. Its highest remaining point is Mount Kukui at 5,788 feet above sea level. The head of ‘Iao Valley stands at what remains of the summit crater of Kahalawai in the West Maui Mountains. Over time, wind and water worked at Kahalawai, digging deep into areas of softer rock, eventually collecting into streams and forming deep valleys. Today four major streams, the Nakalaloa, the Poohoahoa, the Kinihipai, and the Ae, make their way down the West Maui Mountains to converge into Iao stream. The ‘Iao stream then travels to the ocean through the valley we see today. The 1200 foot tall Iao Needle, known to Hawaiians as Kuka’emoku, is what remains of a ridge that used to run down the length of Kahalawei.
What to Bring:
Bring some water if you’re hiking and make sure you wear sneakers. If you’re planning on going for a swim bring your suit and towel! There isn’t a place to get food on premises unless you eat the fallen fruit from the trees, so you might want to pack snacks.
Exploring Iao Valley
There are a few things to do in the park:
Go for a hike! Hike along stream or up in the mountains, there’s a trail for everyone!
Take in the Iao Needle! There is a short paved trail with a small incline with a few steps to see the famous 2250-foot-tall Needle.
Catch up on some Hawaiian History. Did you know one of the biggest battles in Hawaiian History was fought in this valley?
Explore the Botanical Garden.
Go for a swim! After our hike, we were a bit muddy and warm. The stream water is cool and soothing!
Warning: Maui is known to have flash floods, especially in the West Maui Mountains. Just beware of the weather, sometimes it’s raining high in the mountains but not in the valley. Be cautious when swimming, and if you notice any change at all in the color or level of the water, seek higher ground immediately.
Should we bring kids? Sure! Kids would enjoy the stream and climbing on rocks!
Iao Valley Stream
Hiking obstacles along the hiking trail!
Hiking Iao Valley
Whether you are an advanced hiker or just looking for a leisurely stroll, there’s a trail for you!
Off the parking lot, there is a paved trail to the Iao Needle viewpoint. As a kid, I thought we did a long hike up to see the needle but now there seems to be a lookout with a gazebo to hike to that has some benches with views of the needle. It was an easy hike, only .6 miles, 200 ft in elevation, and a quick 10-minute walk from the parking lot. What’s so special about the Needle? It’s an interesting rock formation that is really the vertical edge of an eroded ridge.
There is a trail behind the gazebo, but there are signs to not pass the barriers. This trail is dangerous and should be avoided. However, if you head down to the stream and hike up the mountains you’ll end up on the same trail just past the steep dangerous part.
I did this hike at 6 weeks pregnant! We took it a little slower so it took us an hour and 45 mins to get to the top of the lookout which was about 2 miles and an elevation gain of 1061 feet. It was a little muddy at times so be careful! The trail doesn’t have any markers, but the path is pretty well-traveled so just stay on that which will take you to the top. Here is the trail we took starting along the stream:
Hiking Stats for Iao Valley
2 mile hike path to lookout - Iao Valley
Iao Valley Fern - Vegetation and Plant life
A Landmark of Hawaiian History
Iao Valley was the location of one of the bloodiest battles in Hawaiian history! Per our friends at MauiGuide.com:
In 1790, King Kamehameha I of the island of Hawai’i (the Big Island) battled army leader Kalanikupule of Maui. The armies were evenly matched, and the battle raged for days. Kamehameha was only able to overcome Kalanikupule when he obtained access to a cannon. Many people from both sides died in the battle, their bodies clogging the waters of ‘Iao stream, and giving the battle the name Kepaniwai, “Battle of the Damned Waters of ‘Iao.”
People of Maui considered ‘Iao stream to be of great importance. They built homes along its edges and used the water for drinking and agriculture, particularly growing taro. Certain areas in the valley were revered as sacred burial sites for chiefs of Maui.
Visiting the Iao Needle is a fun place to explore and great way to spend the day! Hope this guide helps you enjoy the park!
Please note this is not a sponsored post and based on my own personal experience, all thoughts are my own.
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Exploring Iao Valley and seeing the Iao Needle
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