The Cascades Amphitheater is located at 17200 NE Delfel Rd, Ridgefield, WA 98642. It’s owned by Quincunx of Washington and operated by Livenation. The venue is around a 20-minute drive from downtown Portland, making it a versatile and convenient spot. With prominent owners and as the largest outdoor music venue in the Portland metro area, the Cascades Amphitheater hosts a range of shows. There are concerts from world-class touring acts, stage shows, Clark County events, and private functions. Together, its two major sections make up a capacity of 18,000. That includes 7,810 covered reserved seats and around 10,000 people on the lawn. Notable performers to have appeared at Cascades Amphitheater in the past. Cascades Amphitheater is a young concert venue. Its construction began in 2002 after a multi-million-dollar investment in the area. It first opened in 2003, with challenging early years as the owners began to build up its reputation among fans and artists. Several milestone performances firmly put it on the national map in the late 2000s. Coldplay’s sell-out 2009 performance showed the true potential of the venue.