Location: SR 158 and SR 156, Clark Cty Mileage sign as SR 158 begins. Location: SR 158 and Cougar Ridge Trl, Clark Cty SR 158 is eight miles long and generally follows the side of a mountain, passing by a bunch of campsites and recreational opportunities to get between SR 156 and SR 157. Location: … Continue reading Nevada State Route 158, SR 156 to SR 157