Harold L. Lyon Arboretum | A University of Hawaii Research Unit

ALOHA!

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. The 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.

ANNOUNCEMENTS

Monday, January 19th, we will be closed in observance of Martin Luther King Jr. Day
New classes have been added for our February Community Class schedule. Scroll down to see!
Spring Nature Camp Registration opens soon on January 19th. Scroll down for more information.
Our Seed Conservation Lab is being renovated, and we will have frequent closures with short notice. Please check this page for closures before visiting.

VISIT

Hours:

During normal operations, we are open to the public Monday through Friday from 9 am until 3 pm, closed on weekends and on State and Federal holidays. Be aware of last-minute closures due to construction on the property.

Admission:

Admission is free, but donations are greatly appreciated. The suggested donation amount is $10 per person.

No reservations are required at this time. Parking is first-come, first-served. If the lot is full, there is a paid parking lot at Paradise Park, located before Lyon.

Groups:

Organized groups (schools, homeschools, mommy groups, churches, business groups, etc.) with 8+ participants are REQUIRED to make arrangements with the Lyon Education Department (email Lyonedu@hawaii.edu).

K-12 schools and college groups can visit our K12 EDUCATION PAGEor UNIVERSITY/COLLEGE GROUPS for more information about our school tours and to request a tour. All school tour requests must be made through our field trip request form found on the education webpage.

A fee will be assessed for coordinating group visits.

For questions, call the MAIN OFFICE at (808) 988-0456.

Mahalo!

Last updated: 11/24/25

Community Classes and Events

Scroll below for a glance at our Lyon community classes for the upcoming months. You can also click the link below to view our calendar.

Click Here for the Events and Closures Calendar

Click on the calendar date and entry for the link to Eventbrite
Classes are usually held on Fridays or Saturdays.

HAPPY NEW YEAR! January Class

**SOLD OUT!** January 30th: Create a unique, everlasting wreath using beautiful tillandsia! Learn simple techniques for attaching and caring for your living wreath!
This class is almost sold out. Register soon.
Click here to be put on the waitlist.

NEW! February Classes

February 7th -Slow down and connect with nature through guided journaling at Lyon Arboretum. No drawing experience needed. Rain or shine.

More information on Eventbrite

February 14th – Consider taking this class with a partner or relax your mind and body before a Valentine’s Day date in the evening!

Here’s the link for information

February 20th – Learn how to protect your palms from the Coconut Rhinoceros Beetle with practical, research-based strategies you can use right now.

Eventbrite link for more information

To see other upcoming classes, go to our Community Class page and view the Events Calendar.

Camps and School Tours

SPRING Camp 2026: March 16th – 20th. Registration will open on January 19th.

Click here for the Spring Camp program information: SPRING 2026 DAY CAMP

School Tours: We are taking reservations for school tours for the 2025-2026 school year, but there are only a few spots left. Check out our school tour calendar for our availability. We do not take requests over the phone or email. Please fill out our online request form. More info here: LYON SCHOOL TOURS