4 /5 Gordon Halnan: Great outlook. Well worth the effort. But not necessary if you go all the way to Nepean Point (where the views are better and there are more abandoned military facilities). Dont do the walk to the top of Cheviot Hill if you are not in good health. It is quite steep. If you walk up to the top, take the right fork - that way you avoid walking up steep steps. You can either do the whole loop anti-clockwise, so you walk down the steps on your way back, or avoid the steps completely and return via the same sloping paved pathway. Enjoy your time!