I've never been but I was chatting with @Mumblewood and he seemed pretty familiar with that area. Make sure to let me know if you start thinking about a planned meet up.Nope, 7 mile is not rocks. Gonna be a little climbing. Mud would liven it up!
AS far as funny rocks, that area is exactly where I am wanting to go. So far I haven't found any groups here that go out there, though there are some built rigs here. May have to do a meet-up