Start on Cataract Trail. Right on Benstein Trail. Left on Rock Springs Fire Road. Right on Upper Northside Trail. Sharp left on Lower Northside Trail. Right on Rock Springs/Lagunitas Fire Road. Veer right on Lagunitas Fire Road. Left on Lagunitas Trail. Continue along Bon Tempe Lake on Shady Side Trail. Continue on Kent Fire Road to Alpine Lake. Continue on Kent Trail. Right on Helen Markt Trail. Left on Cataract Trail to finish.