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, December 8th – Closed to the public due to construction.
  • Thursday, December 11th – Closed to the public to prep for the Fall Plant Sale.
  • Monday, December 15th – Closed to the public due to construction.
  • Registration (for parking) for the Fall Plant Sale is sold out! You can still attend the plant sale without a reservation, from 10:30 am to 2:30 pm, by parking off property at Paradise Park.
  • We have added classes for January! Our December classes have all sold out – waitlist only.
  • 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, State and Federal holidays. Be aware of last-minute closures due to the construction work being done on 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).
  • 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 quick glance of our Lyon community classes for the upcoming months. You can also click below to look at 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.

December Classes and Events

The Plant Sale is Friday, December 12th and Saturday, December 13th from 9:00 am – 3:00 pm.

Fall Plant Sale Information

Registration via Eventbrite to reserve a parking spot is SOLD OUT!

You can still attend the plant sale by parking outside the Arboretum and attend the plant sale from 10:30 am to 2:30 pm.

HAPPY NEW YEAR! NEW CLASSES FOR JANUARY!

January 10th: Recharge your body and mind with a relaxing yoga session and then practice some mindfulness on a relaxing hike through the arboretum.

Registration opens 12/10/26. If you are a Friends of Lyon member, you will have access for EARLY BIRD registration. For information about the Friends of Lyon membership, click here.

For information and to sign up for the class, click here

January 30th : Create a unique everlasting wreath using beautiful tillandsia! Learn simple techniques for attaching and caring for your living wreath!

Registration opens 12/31/25. Click here for more information

To see other upcoming classes, go to the 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. For general information about our Nature Camps, click here: Lyon Nature Day Camp Information

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

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