It flows south from there to Westtown, where Goose Creek enters and the former West Chester and Philadelphia Railroad (now owned by SEPTA) runs alongside it. The stream runs easterly about two miles, then turns south and passes a large stone quarry at Glen Mills.
South of that point, the waterway continues to Westtown, where Goose Creek merges with it and the former West Chester and Philadelphia Railroad (now SEPTA-owned) runs alongside. The stream meanders east for about two miles before turning south and passing a large stone quarry at Glen Mills.