Sat. April 18, 2026
11:00 a.m. Mayoral Proclamation and Ceremonial Tree Planting
12:00 p.m. - 3:00 p.m. Festival

Celebrate Earth and Arbor Day 2026 outdoors at City Hall Plaza with the City of Mountain View and community partners.

• Gets hands-on with a nature activity
• Enter to win a prize with in the upcycled art contest
• Take a photo with 49ers Sourdough Sam 
• Get face to face with a rescue bird
• Learn what local organizations are getting done this year
• Take home seeds from the MV Public Library's bookmobile
• Dance along with Samba music
• Hold a giant insect with Save Nature's Insect Discover Lab
• Get your bicycle repaired
• Meet Wattson the heat pump water heater
• Climb the outdoor rock wall
• Eat at a food truck or downtown Mountain View and more!
• Have a major electric appliance? Pick-up a yard sign!