Thirlmere reservoir

Welcome to Thirlmere, home of great water!

Thirlmere is not a natural lake but a reservoir which contains about 11 per cent of the North West’s water supply – about one glass of water in every nine comes from here.

Thirlmere’s fascinating history and staggering beauty have earned it critics and admirers throughout its life. There’s lots to see whether you like local history, native wildlife, fantastic feats of engineering or just somewhere nice to take the kids.

  • Watersports
  • Climbing
  • Cycling
  • Bridleway
  • Fishing
  • Ghyll scrambling
  • Thirlmere
  • Haweswater Estate
  • Thirlmere Reservoir

How to find us... 01768 772 334

  • Toilets
  • Picnic
  • Dog Walking

Thirlmere is between Keswick and Ambleside on the A591

Opening times: all day, every day

Thirlmere directions map

Thirlmere trail information

Thirlmere trail information

Check our latest update on closures and restrictions around Thirlmere

Reservoir safety

Reservoir safety

Every year, people are injured or die while swimming in reservoirs. Stay safe, stay out.

X-wings over Thirlmere

Thirlmere reservoir has been used for an exciting battle scene in the latest Star War movie, Star Wars: The Force Awakens.

Play video

Did you know?

  • Thirlmere is not just a beautiful place to visit, it plays a vital role in supplying about 11% of the North West’s water supply – about one glass of water in every nine comes from here.
  • Thirlmere is a national Red Squirrel Reserve. Look out for their round drays’, built of twigs, leaves, moss and grass, in the forks of trees. Chewed pine cones and scratch marks in tree bark are also signs they could be close by.
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