Glen Canyon, Utah National Recreation Area Glen Canyon National Recreation Area extends along the Colorado River from Grand Canyon National Park in far north-central Arizona, to Canyonlands, Utah National Park in southeastern Utah. Lake Powell is the centerpiece, surrounded by beautiful canyon country. Bicentennial Scenic Byway Travel the Bicentennial Highway Scenic Byway U-95 past reminders of the Gold Rush era, through magnificent red rock canyons, to the blue waters of Lake Powell. Hike to Anasazi Indian cliff dwellings and explore the world's largest collection of natural bridges.