Hatfield Swim Centre

The leisure centre in Hatfield isn't going to win any awards for architectural drama, but it does exactly what it says on the tin - a proper local swimming facility with pools for lengths, lessons, and families who need to burn off energy on a rainy afternoon. You'll find the usual indoor pool setup: a main competition pool, a smaller teaching pool, and sometimes a shallow leisure area depending on what's on that day. It's the sort of place where locals actually swim rather than Instagram, which is rather refreshing.

For families staying at Cherry Green Trees or Marshmoor Crescent Park just up the road, this is genuinely useful on days when the weather turns. Kids won't be mesmerised for hours, but a couple of hours of proper swimming beats sitting in a caravan watching rain. If you're into lap swimming rather than splashing about, you'll appreciate the dedicated lanes during quieter sessions. The centre also runs various classes and sessions throughout the week, so it's worth checking what's on before you visit.

The catch is that opening hours and admission fees aren't publicly listed online, which is a bit frustrating. Ring ahead or check the local Hertfordshire leisure centre website to confirm times and costs - they do vary seasonally. It's only a couple of miles from St Albans if you fancy combining it with a town visit, and Commons Wood Caravan Park is within reasonable distance too. Not a destination in itself, but invaluable when you're based nearby and need a weather-proof option.