St Osyth Pit

The pit itself is unremarkable - a flooded quarry, really - but that's exactly what makes it work as a nature reserve. What was once dug out for chalk and clay has become a proper haven for wildlife, especially birds. You get waders, wildfowl, the lot, depending on the season. The Essex Wildlife Trust manages it, and they've done a solid job creating viewing areas without fussing it up too much.

Walkers and birdwatchers will get the most from a visit here. Serious twitchers come in winter when migrating species pass through. It's not a destination in itself - you won't spend hours wandering about - but it sits nicely alongside a beach holiday. Clacton-on-Sea is close by, so you could easily slot this into a morning or late afternoon while staying at one of the caravan parks nearby. Hutleys, a couple of miles off, is worth considering if you want a better-rated base. The quiet nature of the reserve makes a decent contrast to the typical seaside town bustle.

There's something satisfying about discovering what thrives in places we've already torn apart and left alone. The paths are straightforward, though can be muddy after rain - not a trek, more a gentle potter. Best visited outside peak season when it's less crowded and birds are actually around to see. Bring binoculars if you're serious about spotting anything worthwhile.