Invitations to join the Goosechase app will be sent to registrants starting March 27th.
Residents from Hastings-on-Hudson to Sleepy Hollow are invited to join a fun, family-friendly Earth Month game all through April 2026. Explore scenic open spaces, discover community events, take on missions tied to local stewardship and sustainable living, and earn points along the way. A friendly competition among Rivertown villages adds extra excitement while celebrating the places, people, and everyday actions that make our communities thrive. Registration is now open.
answer local ecology trivia
capture bird call on the Merlin app
identify native or invasive plants
visit open-space landmarks
care for pollinator gardens
attend Earth Month events
compost food scraps
support local food banks
join a Repair Café
You record your Missions in the app Goosechase.
Extra points for completing missions in costume! The more involved the mission, the more points it earns. The most points wins.
Gift baskets for the teams that:
take the most fun photos
visit events in every municipality
Cash Prizes for the individual team and the village with the most points.
Teams of up to five registered players enroll, choose which municipality you want to represent, and start climbing the leaderboard! There are prizes for both the top-scoring team and the municipality with the highest collective score, with the municipal prize going toward a local environmental project chosen by participating conservation or sustainability groups -- more on this soon.
Scroll down for game map and calendar:
Thank you to our generous sponsors who are making the municipal prize possible!
About: Created through a collaboration between environmental volunteers in Hastings-on-Hudson, Dobbs Ferry, Ardsley, Irvington, Tarrytown, and Sleepy Hollow, this game will inspire you to explore the Rivertowns and transforms Earth Month into a regional community adventure.
A tool for the Scavenger Hunt and beyond.
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