Winters Run forms the southwest border of the CDP , separating Bel Air North from Fallston .
East of Bel Air , Maryland Route 22 ( Churchville Road ) separates Bel Air North from Bel Air South , while Baltimore Pike performs that function west of Bel Air .
Winters Run forms the southwest border of the CDP , separating Bel Air     from Fallston .
East of Bel Air , Maryland Route 22 ( Churchville Road ) separates Bel Air North from Bel Air South , while Baltimore Pike performs that function west of Bel Air .