Great Brook Valley Playground has a softball field and a multi-purpose field for playing sports and games! This park also abuts the Poor Farm Brook on its north-east corner. Nearby to Great Brook Valley Playground are Holland Rink Playground and Tacoma Street Playground.

The Harvey Ball Conservation Area, also known as Ball Property, is a City park consisting only of a nature trail. This conservation area is used as a wildlife sanctuary. Located along the Blackstone River and Broad Meadow Brook Trail, this area is known as the "Smiley Face" Trail.

Grant Square is located in the Green Hill neighborhood of Worcester. The park property was acquired in two sections, but after the larger piece was acquired, the two were combined into a single tract for park use. In 2015, the city installed a new playground, a new basketball court and community garden beds.