Photo #5823 - Lopez Arch, Utah Elevation 6,080 feet. View area. Lopez Arch is a round opening in a red rock fin, a few hundred feet from the highway. Utah Highway US 191 is southeastern Utahs main artery, interlinking beautifully sculpted canyons, breathtaking red rock formations, majestic snow-capped mountain peaks, rugged and colorful high desert beauty, geological treasures, mysterious prehistoric ruins and rock art, historic sites, a myriad of recreational opportunities and old-fashioned western hospitality.