A date in the Completed column indicates the date the Watershed was completed, with the Completion hill.
| Watershed | Tumps in
Watershed | Climbed | To do | Completed | Completion hill |
|---|
| Cardiff to Cape Wrath | 400 | 102 | 298 | | |
| Cardigan Bay | 98 | 47 | 51 | | |
| Severn Estuary | 119 | 91 | 28 | | |
| Ardnamurchan Point to Lowestoft | 316 | 98 | 218 | | |
| Dover to Cape Wrath | 420 | 142 | 278 | | |
| Humber Estuary | 77 | 61 | 16 | | |
| Land's End to John o' Groats | 470 | 141 | 329 | | |
| Liverpool Bay | 89 | 49 | 40 | | |
| Lowestoft to Duncansby Head | 391 | 98 | 293 | | |
| The Lizard to Dunnet Head | 464 | 141 | 323 | | |
| St Bees Head to Ravenscar | 50 | 28 | 22 | | |
| Greater Loch Linnhe | 170 | 13 | 157 | | |
| Aberdeen Bay | 82 | 6 | 76 | | |
| Shetland | 50 | 37 | 13 | | |
| Firth of Clyde | 156 | 29 | 127 | | |
| Firth of Forth | 102 | 29 | 73 | | |
| Long Island | 84 | 41 | 43 | | |
| Tees Bay | 24 | 14 | 10 | | |
| Tynemouth | 38 | 17 | 21 | | |
| Wearmouth | 17 | 15 | 2 | | |
| Solway Firth | 162 | 48 | 114 | | |
| Land's End to Dover | 107 | 70 | 37 | | |
| Plymouth Sound | 20 | 4 | 16 | | |
| Mull of Galloway to St Abb's Head | 120 | 28 | 92 | | |
| Tweedmouth | 108 | 43 | 65 | | |
| Carmarthen Bay | 32 | 26 | 6 | | |
| Morecambe Bay | 57 | 28 | 29 | | |
| Swansea Bay | 30 | 20 | 10 | | |
| The Wash | 22 | 22 | 0 | 2017-04-07 | 19308 - Naseby Hill |
| The Solent | 25 | 25 | 0 | 2017-01-02 | 18471 - Thorny Down |
| Greater Thames Estuary | 67 | 67 | 0 | 2015-10-11 | 19014 - Thundersley Hill |
| Dornoch Firth | 74 | 6 | 68 | | |
| Ardlamont Point to Fife Ness | 79 | 10 | 69 | | |
| Inner Moray Firth | 147 | 4 | 143 | | |
| Firth of Tay | 128 | 3 | 125 | | |
| Mull of Kintyre to Rattray Head | 165 | 0 | 165 | | |
| Watersheds completed = 3 | | 114 | | | |
