Lyon Arboretum is part of the University of Hawaiʻi and a public botanical garden. We are nestled in the back of Mānoa Valley, just five miles from the bustle of Waikiki. Lyon Arboretum has over seven miles of hiking trails and boasts more than 6,000 taxa of tropical and sub-tropical plants on our nearly 200 acres.

To learn more, click on the topics on the navigation menu above.


  • Open to the public Monday through Friday from 9 am until 3 pm, closed on weekends, State and Federal holidays . 
  • Admission is free, but donations are greatly appreciated. The suggested donation amount is $10 per person.
  • Reservations are required. Reservations open only one week in advance on the Friday before.

Make your reservation on Eventbrite at the link below. 

Questions regarding reservations can be directed to our Main Office at (808) 988-0456. Mahalo! 

(Last updated: 5/23/24


Now Hiring!

Click on the links for more information about the positions and to apply. Go to our Career page for general information about our opportunities at Lyon.

Senior Research Associate Position: This rare staff position is now open. Help is needed to oversee the development and management of the living plant collection records and data. Contact Līloa Dunn, Grounds Manager at (808) 988-0466 or email More information here: Grounds Senior Research Position

Education Specialist Position: Looking for someone who likes working with children, is skilled in social media management, and enjoys engaging with the public. Questions? Contact Raedelle Van Fossen, Ed. Manager at (808) 988-0461 or email Click here for more information: Education Specialist Position

Camps and School Tours

Summer Nature Camp: Registration is now closed. The next camp is our Fall Nature Camp. To learn more about our camps in general, click here: LYON NATURE DAY CAMPS

School Tours: Currently we are booking only for Summer 2024. School tour requests for SY 2024-2025 will open July 29th. More info here: LYON SCHOOL TOURS


  • August 16, 2024: Holiday observance

Click here to view the Events and Closures Calendar


View all recent posts