Choose A Facility: Choose A Facility Dennis Van Der Meer Tennis Center Fitness and Athletics Center Harriet Howell Rogers Riding Center Meyer Field Prothro Natatorium Softball Field Thayer Field Williams Gymnasium Winton Farm Golf Course View full image Prothro Natatorium The Prothro Natatorium is home to Sweet Briar swimming. The 25-meter facility features six competition lanes and ample deck space for home swim meets. A balcony with seating for spectators overlooks the pool.