This event will last from 9am to 5pm.  Hike from the Sugar hollow Reservoir to the falls on Big Branch.  A total distance of 4.6 miles with elevations to 845 ft.  Register at least one week in advance and the cost is $34.  Participants must bring a packable lunch. Minimum age is 12.  For more information contact Mark Battista at (804)318-8735 or visit www.chesterfield.gov/parks.

Rockwood nature Center, 3401 Courthouse Rd.