Elk Pen: 5 miles Rating: A (Difficult) Park at the hikers’ parking lot on Arden Valley Road approximately 3.7 miles west of Tiorati Circle. Take the AT east to the ASB(Away from the highway). Take ASB southeast (right) on Old Arden Road approximately 1⁄4 mile. ASB leaves Old Arden Road to the left. ASB then turns north approximately 1 1⁄4 miles. Follow ASB north to the AT. Take AT west (left) back to the hikers’ parking.