At 1,332 steps (or 501 calories!) the Sydney Harbour Bridge Climb will definitely be a memorable work out. Starting from the Climb Base below the Bradfield Highway, you will head towards the south-east pylon via the catwalks. With the buzz of the traffic below, you will begin ascending four ladders to the start of the upper arch. From there you continue up via the outer arch of the bridge until you reach the summit. Whether you want to maximize your time on the bridge or you are a little nervous of the height, this 3.5 hour tour will give you ample time to acclimatize and to soak in the panoramic views of the Opera House, Circular Quay and greater Sydney from the original Climb experience. Once your group and you have celebrated your climb, you’ll cross over to the Darling Harbour side through the spine of the bridge and slowly descend back to the Climb Base.