Clarksburg is an unincorporated community in White Township, in Indiana County, Pennsylvania, United States. It is located on PA Route 286 between Indiana and Saltsburg. It contains a post office, flower shop, a bar, a Sunoco Station as well as the Clarksburg Presbyterian Church. The church has multiple spaghetti dinners on Saturdays throughout the fall and spring. There are a number of family farms in the area. It also has its own T-ball and baseball league that gets organized at the Kenneth Quick Memorial Park. Originating in the hills north and east of town, Blacklegs Creek meanders through on its way to Saltsburg to join the Kiskimenitas River, then the Conemaugh River and ultimately heading to Pittsburgh to flow into the Ohio River and beyond.