| YNYSMON | Welsh name for Anglesey, an island with a coastline declared an AONB, home to the longest place name in Britain (4,3) |
| LOCHMAREE | Lake in Wester Ross that includes an island with a lake containing an island (4,5) |
| EALING | London borough which is home to the longest continuously operating film studio in the world |
| SOUTHENDONSEA | English resort that is home to the longest leisure pier in the world (8-2-3) |
| LLANFAIR | ___ PG, abbreviated form of Wales's longest place name! (8) |
| LLYN | - Peninsula; with a coastline forming part of the Wales Coast Path, an AONB known as "Snowdon's arm" (4) |
| WYE | Immortalised in paintings by J. M. W. Turner and a poem by William Wordsworth, a river and a valley of the same name in an AONB containing Tintern Abbey and Symonds Yat (3) |
| YNYSLAWD | Welsh name for South Stack, an island located off Holy Island, Anglesey (4,4) |
| CRANBORNE | Chase; rising to its highest point at Win Green, an AONB forming part of the West Wiltshire Downs (9) |
| FATHER | ____ of the House, title given to the longest serving male MP in the House of Commons (6) |
| CORNWALL | With a coastline including Land's End, a region with specialities including pasties, cream teas, yarg and stargazy pies (8) |
| NSA | Scottish equivalent of an AONB; also an org. representing UK sheep producers - in Seton Sands (3) |
| MONA | The Roman name for Anglesey (4) |
| TAGALOG | It was declared an official language in the Biak-na-Bato Constitution during the Philippine Revolution |
| PUERTORICANS | Nationals of an island with the only tropical rainforest in the US national forest system (6,6) |
| JIANGSU | Chinese province with a coastline stretching more than 600 miles along the Yellow Sea, capital Nanjing (7) |
| CYMRU | Thought to derive from "compatriot" or "fellow countryman", the Welsh name for Wales (5) |
| PENNINES | North -; region of heather moorland and wooded valleys in northern England, designated an AONB in 1988 (8) |
| ALT | Key next to the longest key on a keyboard |
| ANDES | The Danes travelled to the longest mountain range (5) |