A LIDO in the UK is the longest in the country - and is even one of the biggest in Europe. Jesus Green Lido in Cambridge is one of the few remaining outdoor pools that remain open from the 1920s. The 101-year-old pool opened in 1923, and was once separated between men and women, which is why the pool is shallow at each end and only deep in the middle.

You might struggle to do lengths - it's a huge 91m long, more than triple the length of a standard pool. This makes it the longest pool in the UK, although it is tied with Tooting Bed Lido in London . The only downside is that it's not heated - although most lidos aren't - with the warmest being mid 20s during the summer .

The pool has three lanes with fast, medium and slow, so you don't need to worry about getting in the way There is also a grass sunbathing area, as well as a table tennis area and even on-site sauna. Changing rooms and showers are available too, although you'll need your own toiletries. There's an on-site cafe too, serving drinks and ice creams.

Time is right and you can sign up to one of their rare events, including mental health swim sessions, winter swim sessions and even live music. Previous swimmers have raved about the pool with one saying it has an "old world charm". Another wrote: "Although it is not heated and looks a bit shabby, that just adds to the Charm.

You almost feel you could be back in the 1950s." A third agreed: "This is an extraordinary place. Unsophisticated in a good way!" The pool opens f.