THIS IS A 2 HOUR TOUR ON THE BUTLER TRAIL HIKE-N-BIKE TRAIL AROUND LADY BIRD LAKE, INCLUDING THE NEW BOARDWALK . THE RIDE IS A TRAFFIC-FREE, SHADED AND NATURAL, 10 MILE LOOP TAKING IN SOME HISTORY ABOUT AUSTIN ALONG THE WAY. SEE THE BEST PARKS IN DOWNTOWN AUSTIN, INCLUDING BUTLER PARK, ZILKER PARK AND BARTON SPRINGS. TOUR TIMES ARE 7:30AM AND 10:00AM, AND 3:00PM (WEEKDAYS ONLY MON-FRI)..... ONLY $49 PER PERSON).