Located west of Grand Junction and Fruita, CO McInnis Canyons NCA consists of approximately 123,430 acres of protected public land, including the 75,000-acre Black Ridge Canyon Wilderness. MCNCA is home to breathtaking red-rock canyons, world-renowned paleontological resources, and the peaceful 25-mile Ruby-Horsethief stretch of the Colorado River. Discover a wonderland of desert towers, hidden alcoves, and the second-highest concentration of natural arches in North America.