TAKE I-90 (NORTHWEST TOLLWAY)  EAST TO ROCKFORD'S LAST EXIT WHICH IS RIVERSIDE
  BLVD.  GO EAST ON RIVERSIDE APPX 3 MILES TO OLSON RD.  GO NORTH ON OLSON RD TO
  ORTH RD THEN EAST ON ORTH RD 1/4 MILE TO PARK ON SOUTH SIDE OF STREET.