Webbs CreekThe Webbs Creek, a perennial stream of the Hawkesbury-Nepean catchment, is located in the Outer Metropolitan Sydney region of New [South Wales], Australia.CourseThe Webbs Creek rises below the Womerah Range, near the Devils Hole in remote country within the Parr State [Conservation Area]. The river flows generally north-east by east before reaching its confluence with the Hawkesbury River, south-west of. The river descends over its course.