This 2023 edition builds on and improves the previous 2013 one, with extra routes, aerial crag photography, and improved maps. It covers a wide area: Llanberis Slate, Llanberis Paass, Clogwyn Du'r Arddu, Lliwedd, Gwynant, Ogwen, Carneddau, Tremadog, Betws-y-Coed, Moelwyns, Gogarth, limestone and mid-Wales.