Harold L. Lyon Arboretum

200-Acre Rainforest Arboretum

Harold L. Lyon Arboretum is a 200-acre rainforest research garden in upper Manoa Valley, operated as a University of Hawaii at Manoa research unit. The site holds one of the largest collections of Hawaiian and Pacific plants anywhere.

School Tours & Field Trips

The Education Department serves over 10,000 students annually through field-trip programming aligned to Hawaii and Next Generation Science Standards. Programs include:
- K-12 school field trips with STEM curriculum
- Group tours (8+ people, advance reservation)
- Self-guided arboretum visits
- Adult classes
- Homeschool groups
- Plant conservation workshops

What's Included

• Educator-led outdoor field trips
• STEM curriculum developed for the site
• Trail access through rainforest collections

Experience

Most authentic introduction to Hawaiian native and Pacific plant biodiversity on Oahu - real research garden, not a tourist showpiece. Open Mon-Fri 9am-3pm. Strong fit for school groups and homeschool families. Education office: (808) 988-0461.