WorldwideAustraliaNew South WalesBoat HarbourOne MileWorldwideAustraliaNew South WalesBoat HarbourOne MileCycling Climbs in One Mile There are 2 cycling climbs in One Mile.Clicking on the climb category column will toggle between category and difficulty score.NameDistanceAvg GradientTotal ElevationClimb Category1.Port Stephens Tri - SD Bike Half Lap - Uphill4.95 km0.8%57 mN/A2.Gan Gan Rd One Mile to Nelson Bay Rd5.28 km0.1%5 mN/A