This Mountain Quarry, Boya Perth.Mountain Quarry is Perth’s premier crag. That will be of considerable concern to climbers who enjoy frequenting the subtleties of Mount Arapiles,the clip and crank fest of the Blue Mountains or the paparazzi friendly Grampians. But if you have grown up on a diet of dindgyindoor gyms and micro granite boulders, then Mountain Quarry offers an unmissableopportunity. Whether your aim is to tinkle with your trinkets and do a bit of top roping or flex your chest at a few abseiling girls, Mountain Quarry is sure to please. It offers worthwhile climbs at most grades from 15-29 on reasonable rock with good protection and easy access –what more could you want !