Earth Day in Denver brings together a mix of family-friendly festivals, nature-focused programming, and community events happening throughout mid to late April. From free admission days at the Denver Botanic Gardens to hands-on activities for kids and conservation-focused celebrations, there are plenty of ways to get outside and connect with the environment.
Here are some of the key Earth Day events happening around Denver this year:
🌿 Featured Earth Day Events
🌎 Children’s Museum “Party for Our Planet”
📅 April 17–19
📍 Children's Museum of Denver at Marsico Campus
One of Denver’s biggest Earth Day celebrations for families, this interactive event is all about hands-on learning, science-based exhibits, and eco-focused activities designed for kids. It’s a fun, engaging way to introduce environmental awareness in a playful setting.
🌿 Earth Day at Four Mile Historic Park
📅 April 18 | 10:00 AM–4:00 PM
📍 Four Mile Historic Park
A full day of Earth Day activities featuring Indigenous dance performances, eco-friendly vendors, and community service projects focused on sustainability and connection to nature.
🐝 Butterfly Pavilion Earth Day Celebration
📅 April 18 | 10:00 AM–2:00 PM
📍 Butterfly Pavilion
A family-friendly event centered on pollinators and conservation, with interactive exhibits highlighting the role bees, butterflies, and other species play in the ecosystem.
🌳 Earth + Arbor Day with Ecosa Institute
📅 April 18 | 10:00 AM
📍 Washington Park Boathouse
A hands-on community event focused on learning, connection, and environmental awareness in celebration of Earth Day and Arbor Day.
🌈 Earth Day Festival: Peace for The People & Planet
📅 April 18 | 12:00–6:00 PM
📍 F-15 Park
This 3rd annual Earth Day Festival is a queer- and youth-forward community event focused on environmental justice and local creativity. Held in Central Park Denver, the festival highlights community talent, sustainability efforts, and collective action around protecting people and the planet.
🌿 Earth Day Morning Walk & Grounding
📅 April 22 | 6:00 AM
📍 Ruby Hill Park
A peaceful Earth Day morning walk focused on grounding, reflection, and connecting with nature to start the day outdoors.
🌱 Earth Day Free Days at Denver Botanic Gardens
📅 April 22
📍 Denver Botanic Gardens (York Street & Chatfield Farms)
Both locations of the Denver Botanic Gardens will offer free admission in celebration of Earth Day. Expect conservation programming, nature education, and opportunities to explore the gardens at no cost.
📍 York Street Gardens + Chatfield Farms locations included
🚆 Earth Day with RTD & Power Ahead
📅 April 22 | 3:00–4:30 PM
📍 Union Station
A sustainability-focused discussion on public transit, clean energy, and practical ways Denver residents can reduce their environmental footprint.
🌿 Final Thoughts
Earth Day in Denver continues to grow into a citywide celebration of sustainability, education, and community action. Whether you’re visiting a museum with your kids, exploring the Botanic Gardens, or joining a cleanup, there are plenty of meaningful ways to participate.
The free admission days at both York Street and Chatfield Farms are especially popular—arriving early or planning ahead is a good idea if you want to make the most of them.
