The Montgomery County GreenFest is the largest environmental festival in Montgomery County, MD, and is made possible thanks to a coalition of public, private and nonprofit partners. Montgomery County GreenFest is going big in 2026! To honor the 250th anniversary of Montgomery County (founded in 1776), this year’s theme centers on legacy and collective action. We invite every resident to celebrate Montgomery County’s 250 years by committing to 250 actions that safeguard our environment and public health.
The Montgomery County GreenFest is the largest annual environmental festival in Montgomery County, MD. GreenFest is organized by a coalition of public and non-profit partners. In 2025, Montgomery County GreenFest is celebrating its 10th year! Join us at GreenFest 2025 to come together to celebrate, learn, and continue your journey to improving our community and the environment!
Follow on social #MCGreenFest or visit the Montgomery GreenFest website for details.
10500 Rockville Pike
North Bethesda, MD 20852
gp2frontdesk@grosvenorpark2.com
(301) 493-9210
