The Arboretum hike is a wondeful contrasting experience to coastal overlook hikes or beach fun. We went on a weekday and there were very few people. It was like going back to the Jurassic period- I half expected to be surprised by a dinosaur!

We were very impressed by the beautiful trees and plants in this open air botanical garden, which feels much more like a rainforest in South America than an arboretum in Hawaii. Try to snap pictures of the surrounding mountains with waterfalls flowing down them. Tip - wear sneakers and bring a big umbrella. Unlike Waimea Valley which has asphalt paths,... More

We visited Lyon Arboretum on our last day on Oahu and it was amazing. Very traquill surrounding, peacefull, with impressive collection of plants.

We had a small group tour of the Arboretum and enjoyed the upward sloping grounds, well marked trails incredible flora from throughout the Pacific and the impressive showers. The director Christopher Dunn is knowledgeable, engaging and committed to the future of this unit of University of Hawaii. The plants are well labeled and there is an emphasis on how native... More

This isn't your grandmother's arboretum. Lovely easy hiking and strolling in a lush valley. There is a 30 minute hike to a falls but we didn't make it this time. The office has maps and please give your donation. We should all support beautiful places like this.

Rare and beautiful flowers and trees and the sounds of birds you've never heard before. Stop at the inspiration point for a view much more impressive than that of the piddly waterfall of Manoa.

This is a neat place to visit. And, except for parking, it is free. The hike up to the waterfall takes time, but is worth the effort. The trail can be muddy so don't wear good shoes.

up in manoa, so always check if it i raining and bring your rain gear. very educatonal if you ike plants, greenery, etc. lots to see and discover. locals and tourists check this place out .

What a beautiful secret this is. Even our concierge had trouble. Pumped the street address into the GPS and hey presto! This is a fantastic garden with so many lovely plants and birds. The view at Inspiration Point is breath taking. Hike to the falls could prove difficult for some but worth the effort. The entrance fee is low and... More