Free things to do in Orange County North, Los Angeles

Arboretum and Botanical Garden at Cal State Fullerton

📍 Fullerton · Orange County North

Campus arboretum and botanical garden with living collections and conservation focus. Free entry with suggested donation; open Monday–Sunday 9 a.m.–4 p.m.

🕑 Daily 9am–4pm

✓ Checked on the official page Nov 3, 2026