In 1941 Morin had made the first ascent of Clogwyn Y Grochan the route, which is 230 feet high and graded very severe 4b, is named Nea. She also led on an ascent of Curving Crack on Clogwyn du'r Arddu (the Black Cliff).
In 1941 Morin made history by being the first to conquer Clogwyn Y Grochan's Nea route, a daunting climb 230 feet high and graded as extremely tough 4b. She also led an ascent of Curving Crack on Clogwyn du'r Arddu (the Black Cliff).