Hi, I see what you mean. I hadn't realised Grose Valley was already in the system, but anyway, it should also encompass Govett Gorge 12107671 as it's a considerable percentage of the valley system. It's also what the vast majority of people see and know as the Grose Valley, principally from Govetts Leap Lookout in Blackheath. Are you able to extend it? I don't have the skills to do so, thanks.