| Constituent country | Area (km^2) | Depth (m) | Lake (Answer) | % Correct |
|---|---|---|---|---|
| Scotland | 56 | 230 | Loch Ness | 95%
|
| England | 15 | 67 | Lake Windermere | 85%
|
| Scotland | 71 | 190 | Loch Lomond | 80%
|
| Northern Ireland | 392 | 25 | Lough Neagh | 58%
|
| England | 9 | 63 | Ullswater | 45%
|
| England | 5 | 22 | Derwent Water | 34%
|
| Scotland | 26 | 155 | Loch Tay | 28%
|
| England | 13 | 34 | Rutland Water | 28%
|
| Northern Ireland | 145 | 62 | (Upper and lower) Lough Erne | 20%
|
| Wales | 5 | 42 | Llyn Tegid (Bala Lake) | 18%
|
| Scotland | 39 | 94 | Loch Awe | 18%
|
| Scotland | 27 | 310 | Loch Morar | 12%
|
| England | 5 | 21 | Bassenthwaite Lake | 11%
|
| Scotland | 23 | 49 | Loch Shin | 11%
|
| Scotland | 29 | 114 | Loch Maree | 5%
|