WorldwideAustraliaNew South WalesNambucca Valley CouncilGummaWorldwideAustraliaNew South WalesNambucca Valley CouncilGummaCycling Climbs in Gumma There are 2 cycling climbs in Gumma.Clicking on the climb category column will toggle between category and difficulty score.NameDistanceAvg GradientTotal ElevationClimb Category1.Gumma TT4.03 km0.1%5 mN/A2.Hills In...Small But Mighty2.87 km0.2%5 mN/A