Rouse Hill Town Centre Markets
When: First Sunday of every month, 10am until 4pm
Where: Rouse Hill Town Centre Main Street 

Event Details:

The monthly Sydney Boutique Markets feature stalls, live music and amusements.

Riverstone & District Historical Society & Museum
When: Open first Sunday of every month, 11am until 3pm (except in January)
Where: 81 Garfield Road East, Riverstone NSW 2765

Event Details: 

Discover and celebrate Riverstone's 200+ years of history, view photographs from the years that have past, historical farm machinery, military items, household furniture and the meatworks display.