This is a tough crossword! It is designed to be completed over an extended period of time, & should not be attempted by the faint-hearted!
Yes, "cwm" (42 Across) is a real word, found generally in mountaineering literature.
Yes, "ute" (60 Down) is pretty obscure, unless the image springs to mind of unreformed rock rats crashing unceremoniously in the back of their battered utes at lonely campsites with only their old three-legged one-eyed dogs to keep them warm.
Yes, 30 Down & 41 Across (among others) are a bit lame.
