Follow Signs For Savannah/I-526 W. Merge Onto I-526 W And Continue Approximately 4 Miles. Take Exit 11B Toward Sc-461 S/Paul Cantrell Blvd. Continue On Paul Cantrell Blvd Approximately 1 Mile, Then Turn Right Onto Magwood Drive. In Approximately 2 Miles, Turn Left Onto Sc-61 N/Ashley River Road. Continue Straight To Stay On Ashley River Road. In Approximately 8 Miles, Watson Hill Is On The Left.