Start at S Boulder Creek Trail Head on S. Boulder Road Walk along Marshal Road then cross S Foothills Hwy to South Boulder Creek West Trail head Take Lower Big Bluestem Trail to Bluestem Connector and head north. Take South Fork Shanahan Trail West until reaching Mesa Trail and go North. Quick Detour to the beginning of Bear Creek Canyon (Where the Giant power line poles are.) for a view of Dinosaur Mountain. Follow NCAR Bear Canyon Trail pass Two Tree Hill and follow NCAR Table Mesa Bear Trail north to base of NCAR Drive.