Minnesota · Rock climbing · Mound Township

Quarry Corner Buttress

10 routes
5.5 – 5.11a
Top Rope
Apr–Oct
best months

Quarry Corner Buttress is a climbing area in Blue Mounds State Park in Minnesota, managed by State Park and Recreation. It sits among a cluster of other climbing spots, with Red Rock Buttress, Hidden Buttress and Lover's Fortress all about 0.1 mile away. The area is a top-rope destination. Ten routes are listed, with grades ranging from 5.5 to 5.11+. The Corner is the easiest at 5.5, and Inca Roads is the hardest at 5.11+. The median grade is 5.9+. Summer is the warmest stretch for climbing. Typical averages from a nearby weather station in Rock Rapids, Iowa, show July highs around 85°F with lows near 62°F, while January highs average about 25°F.