Klondike Bluffs Road Popular off-road vehicle trail and hiking area, dinosaur tracks, old copper mine. 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.