WorldwideAustraliaNew South WalesGosfordCalgaWorldwideAustraliaNew South WalesGosfordCalgaCycling Climbs in Calga There are 2 cycling climbs in Calga.Clicking on the climb category column will toggle between category and difficulty score.NameDistanceAvg GradientTotal ElevationClimb Category1.Lot 6 Sydney Newcastle Freeway Climb2.73 km3.7%100 mCat. 42.Calga to Blood Hill5.35 km1.3%67 mN/A