McKinney Roughs December 9, 2015 by Dogger A frequent place for me to visit and Hike.. its about 30 miles east of Austin on the banks of the Colorado river. Casino and I made this hike and here is the trail head and first stop along the shore at about mile 3.. A Colorado River Trail Head off HWY 71 The Big guy prowls around A nice dip Looking down stream McKinney Roughs