Deepest reservoirs in the United Kingdom

As of 2026-10-16, Loch Ericht tops the list with 156 m.

1. #1 Loch Ericht — 156 m

   lake in Perth and Kinross, and Highland, Scotland, UK, outflows to River Ericht

   source Wikidata
2. #2 Loch Shin — 49 m

   reservoir in Highland, Scotland, UK, outflows to the River Shin

   source Wikidata
3. #3 Ladybower Reservoir — 41 m

   reservoir in Derbyshire, England

   source Wikidata
4. #4 Thirlmere — 40 m

   reservoir in the United Kingdom

   source Wikidata
5. #5 Derwent Reservoir — 30 m

   reservoir on the border between County Durham and Northumberland, in England

   source Wikidata
6. #6 Draycote Water — 18 m

   reservoir in the United Kingdom

   source Wikidata
7. #7 Yarrow Reservoir — 14 m

   reservoir in Lancashire, England, UK

   source Wikidata
8. #8 Cod Beck Reservoir — 5.20 m

   reservoir in North Yorkshire, England, UK

   source Wikidata
9. #9 Netherton Reservoir — 2.20 m

   reservoir in West Midlands, England, UK

   source Wikidata
10. #10 Boddington Reservoir — 2.10 m

    reservoir in Northamptonshire, United Kingdom

    source Wikidata