The highest point in Scotland (also the highest in the United Kingdom) is Ben Nevis, standing at 1344 metres (4409 ft.).
The highest point in Wales is Snowdon (1085 metres : 3560 ft.).
The highest point in England is Scafell Pike (978 metres : 3208 ft.).
The highest point in Northern Ireland is Slieve Donard in the Mourne Mountains at 850 metres (2789 ft.).
See List of English counties by highest point for tops of the metropolitan and non-metropolitan counties, and List of counties of England and Wales in 1964 by highest point for historic county tops.
Hill ranges in England
Lake District - Scafell Pike at 978 metres
Pennines - Cross Fell, Cumbria, at 893 metres
Cheviot Hills - The Cheviot, Northumberland, at 815 metres
Black Mountains (within England) - Black Mountain, at 703 metres
Peak District - Kinder Scout at 636 metres
Dartmoor - High Willhays at 621 metres
Shropshire Hills - Brown Clee Hill at 540 metres
Exmoor - Dunkery Beacon at 519 metres
Malvern Hills - Worcestershire Beacon at 425 metres
North York Moors - Round Hill at 424 metres
Bodmin Moor - Brown Willy at 420 metres
Cotswolds - Cleeve Hill at 330 metres
Mendip Hills - Beacon Batch at 325 metres
Salisbury Plain - Walbury Hill at 297 metres
Greensand Ridge - Leith Hill at 294 metres
South Downs - Butser Hill at 270 metres
North Downs - Botley Hill at 268 metres
Chilterns - Haddington Hill at 267 metres
Yorkshire Wolds - Bishop Wilton Wold at 246 metres
Lincolnshire Wolds - Wolds Top
List of highest points in London