The parish boundary crosses the A607 at the north end of Syston bypass. Going south, it crosses the River Witham, the north side of Hambleton Hill, and the East Coast Main Line at Shire House to the west. North are the Barkston South and railway junctions, unused since 2004, either side of Westfield Farm. The boundary follows the north edge of Hurn Wood to meet Marston. Northwards it crosses the Grantham Avoiding Line at Sand Lane., then the East Coast Main Line, and follows the Viking Way eastwards Eastwards it touches Carlton Scroop and at the hilltop Honington at Spellar Wood, following its southern edge.] To the south-west it crosses Frinkley Lane, the Viking Way, Hough Road along the southern edge of Grove Plantations, and the Grantham–Sleaford railway line. It crosses the A607 at the A153 junction and Minnetts Wood north of Heath Farm, tops Honington Heath to meet Ancaster, and runs across RAF Barkston Heath. Along Ermine Street (B6403 road) it meets Wilsford and North Kesteven, and is briefly the South Kesteven boundary. At the southern edge of Barkston Heath, it follows Heath Lane westwards, and meets Syston. At this point a track, it passes through Minnett's Wood along Minnett's Hill.