How Climbers Helped Save Portland's Madrone Wall From Quarrying
Less than 20 miles southeast of Portland hides a treasure trove of rock amongst swaying madrone trees: the 1,000-foot-long, 80-foot-tall Madrone Wall, with 100-plus sport, trad, and mixed lines from 5.7 to 5.12 on 660,000-year-old igneous basalt. The Clackamas River bubbles below, while farmland ...