| CHEVIOTHILLS | Area of high ground straddling the border between England and Scotland |
| CHEVIOT | Range on the border between England and Scotland, _ Hills (7) |
| VALLEY | Wye -; AONB on the border between England and Wales, site of Tintern Abbey, Goodrich Castle, Symonds Yat and "the town of books" (6) |
| WYE | The fifth-longest river in the UK, forming part of the border between England and Wales for much of its length |
| TWEED | River on border between England and Scotland |
| HADRIANSWALL | Defence near border between England and Scotland (8,4) |
| DYKE | Offa's ___ runs along the border between England and Wales. (4) |
| MATTERHORN | Pyramidal mountain in the Alps straddling the border between Switzerland and Italy (10) |
| OFFA | King of Mercia from 757 associated with an earthwork roughly following some of the current border between England and Wales |
| CALCUTTACUP | Trophy awarded to the winner of the annual Six Nations rugby union match between England and Scotland (8,3) |
| SOLWAYFIRTH | Inlet of the Irish Sea between England and Scotland |
| MOJAVE | Desert straddling the border between California and Nevada (6) |
| TITICACA | Lake ___ , straddling the border between Peru and Bolivia (8) |
| PUNJAB | Region straddling the border between India and Pakistan (6) |
| TAHOE | Lake straddling the border between California and Nevada (5) |
| BREDONHILL | Area of high ground south-west of Evesham (6,4) |
| BORDERTERRIER | A small, rough-coated breed of dog that originated from the region between England and Scotland (6,7) |
| HADRIAN | Roman emperor who gave his name to the wall between England and Scotland (7) |
| BODMINMOOR | Brown Willy is the highest point on this area of high ground in Cornwall (6,4) |
| UPLAND | You heard duke accepting detailed scheme for an area of high ground (6) |