Central Park

You could spend half a day wandering Central Park in London and still only scratch the surface. It's 218 acres of proper parkland - lakes, woodland, open meadows - right in the heart of the city where you'd least expect to find it. The main draw is the chance to actually breathe without tasting diesel fumes, and the walking paths are genuinely good without being overcomplicated.

Families with younger kids will get a solid afternoon out of it, though it's not a destination in itself - more a breather between other London bits. Keen walkers appreciate the network of routes that wind through different habitats. Birdwatchers come back regularly. The water areas attract ducks and herons. You can sit on a bench for ten minutes and actually hear birdsong, which feels almost rebellious in London.

It's free, which means you can pop in without overthinking it. Allow two to three hours if you're taking it seriously, or just forty minutes if you're cutting through. Summer weekends get rammed with families; weekday mornings are when you'll feel like you've found somewhere quiet.

If you're staying at Abbey Wood Experience Freedom Glamping just four miles away, this is a solid option for a morning before heading elsewhere. It doesn't compete with London's bigger attractions - the museums, the markets - but it's the sort of place that resets your head when the city starts feeling too loud.