Yarra Valley ECOSS is an environmental and educational not-for-profit community hub committed to showcasing sustainable solutions. Founded in 2006, it marks 20 years of operation in 2026. The organisation has received multiple awards, including the Premier's Sustainability Award for Sustainable Places in 2021, the Community Gardens Australia Sustainability Champion Award in 2024, and the EV Strengthening Communities Inclusive Volunteering Award in 2025.

ECOSS provides residency to a variety of community initiatives whose goals align with a sustainable future. It hosts numerous cultural and environmental events for all ages throughout the year and offers educational programs for schools and community groups. The hub also facilitates and collaborates on a range of cultural projects.

The organisation is LGBTQI & cultural diversity friendly and is committed to Child Safe Policies and Respectful Relationships. It acknowledges the traditional custodians of the land, the Wurundjeri people of the Kulin Nation. ECOSS thrives on the input from volunteers and members. Located opposite the Warburton Bike Park, it encourages visitors to use public transport, walk, or bike. Yarra Valley ECOSS has a range of sustainable products to buy and hire, including indoor and outdoor event spaces.